Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD618617 S1
Publication typeGrant
Application numberUS 29/313,368
Publication dateJun 29, 2010
Filing dateDec 30, 2008
Priority dateDec 30, 2008
Publication number29313368, 313368, US D618617 S1, US D618617S1, US-S1-D618617, USD618617 S1, USD618617S1
InventorsDominic Lee
Original AssigneeMultiway Industries (Hk) Ltd.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Three way electrical plug
US D618617 S1
Abstract  available in
Previous page
Next page
  1. The ornamental design for a three way electrical plug, as shown and described.

FIG. 1 presents a pictorial view of my new three way electrical plug design.

FIG. 2 presents a top plan view of the three way electrical plug as illustrated in FIG. 1.

FIG. 3 presents a bottom pictorial view of the three way electrical plug as illustrated in FIG. 1.

FIG. 4 presents a bottom view of the three way electrical plug design as illustrated in FIG. 1.

FIG. 5 presents a front elevational view of the three way electrical plug design as illustrated in FIG. 1.

FIG. 6 presents a rear elevational view of the three way electrical plug as illustrated in FIG. 1; and,

FIG. 7 presents a left side elevational view of the three way electrical plug as illustrated in FIG. 1.

The right side elevational view of the three way electrical plug illustrated in FIG. 1 is a reverse view of FIG. 7.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design.

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1511855Nov 28, 1922Oct 14, 1924Wentz Seymour HDouble-plug connecter for electrical circuits
US1568156May 2, 1924Jan 5, 1926Peerless Light CompanyMultiple-plug receptacle
US1889695Apr 16, 1929Nov 29, 1932Circle F Mfg CoTable tap
US2210215Oct 17, 1938Aug 6, 1940Herman William PMultiple service tap
US2267816Jan 16, 1941Dec 30, 1941Nathan ChirelsteinCube tap and the like
US2318484Feb 17, 1941May 4, 1943Herman William PCube tap
US2500987Feb 12, 1946Mar 21, 1950Glen HarpsterMultiple outlet electrical connector plug
US2508770May 20, 1948May 23, 1950Theodore OshinskyRenewable fuse tap receptacle
US2636096May 9, 1951Apr 21, 1953Di Blasi FrankFused circuit plug-in receptacle
US2792561Dec 8, 1955May 14, 1957Alex CohenMultiple electric outlet
US3005179Jul 28, 1959Oct 17, 1961Bri Son Electronics IncMultiple electrical outlet
US3509356Dec 15, 1967Apr 28, 1970Peebles David MSelective circuit connector
US3924914Dec 28, 1973Dec 9, 1975Philip M BannerElectrical safety grounding device means
US3997225Jul 3, 1975Dec 14, 1976Product Concepts, Inc.Grounding type adaptor receptacle
US4000405Aug 28, 1975Dec 28, 1976Product Concepts, Inc.Electrical adaptor and night light
US4079344Aug 30, 1976Mar 14, 1978General Electric CompanyPortable ground fault circuit interrupting device
US4085996Mar 29, 1977Apr 25, 1978International Telephone And Telegraph CorporationCubical three-conductor electrical tap
US4191985Sep 16, 1977Mar 4, 1980Phillips Charles M JrInterrupter
US4293172Oct 23, 1979Oct 6, 1981Square D CompanyCase for electrical multiple outlet
US4659161Dec 13, 1985Apr 21, 1987Holcomb Kenneth LAdapter plug for personal computers
US4671597May 6, 1986Jun 9, 1987Edward GrillPower indicator light
US4764128Oct 20, 1986Aug 16, 1988Sam ChengDistribution hanger for decorative light string
US4767359Jun 12, 1987Aug 30, 1988Gregg MartellSafety electrical wall outlet
US4856999Jan 20, 1986Aug 15, 1989Heinrich Kopp Gmbh & Co. KgElectric adapter connector
US4861286Jul 27, 1987Aug 29, 1989Acco World CorporationElectrical connector device
US4897049Aug 1, 1988Jan 30, 1990General Electric CompanyElectrical tap with permanent mount
US5004435Dec 26, 1989Apr 2, 1991Jammet Jean ClaudeMultiple socket attachment
US5030119 *Sep 27, 1989Jul 9, 1991Safe Care Products, Inc.Safety plug
US5094630Feb 25, 1991Mar 10, 1992Jammet Jean ClaudeMultiple socket attachment
US5122082Nov 5, 1991Jun 16, 1992James LeePlug-in electrical receptacle
US5171168Oct 15, 1991Dec 15, 1992Manufacturers Components, IncorporatedElectrical plug-socket unit
US5211584Jun 16, 1992May 18, 1993James LeePlug-in electrical receptacle
US5232381Aug 6, 1992Aug 3, 1993Yu Tsung IMulti-way multiple plug
US5236371Oct 23, 1992Aug 17, 1993Matthis Jack DWall-mounted electrical power supply
US5269695Mar 4, 1993Dec 14, 1993Geo VenturesElectrical outlet and plug therefor
US5383799Mar 26, 1993Jan 24, 1995Fladung; Philip E.Multi-purpose plug-in electrical outlet adaptor
US5443400Oct 18, 1993Aug 22, 1995Heyco Stamped Products, Inc.Multiple outlet receptacle and metal stamping therefor
US5562488Mar 1, 1995Oct 8, 1996Neiser; GabeModular outlet assembly
US5645147Nov 6, 1995Jul 8, 1997Alert Lite Safety Products Co. Inc.Automatically switched trouble light and retracting cord reel apparatus
US5660554Dec 15, 1995Aug 26, 1997Mead; Michael S.Universal plug adaptor
US5666053Feb 21, 1995Sep 9, 1997Hitachi, Ltd.Charged particle beam apparatus for measuring magnetic field
US5700150Mar 1, 1996Dec 23, 1997Morin; AureleElectrical outlet type extension cord reel with auxiliary outlet
US5816860Aug 15, 1996Oct 6, 1998Etco IncorporatedPlural socket receptacle
US5888105Oct 18, 1996Mar 30, 1999Heyco Products, Inc.Multi-station female blade receptacle stamping and multi-outlet receptacle
US6929514 *May 17, 2004Aug 16, 2005Chao Da Trading Co., Ltd.Socket with non-connecting terminal
US7371121Oct 4, 2005May 13, 2008Multiway Industries Ltd.Multiple electrical outlet
US7371122Nov 10, 2006May 13, 2008Irina IvanovaPower strip modules and systems
US7520783Aug 11, 2005Apr 21, 2009Powertech Industrial Co., Ltd.Energy saving outlet having a sensor and method of use thereof
US20090053307Jul 11, 2006Feb 26, 2009Sigma-Tau Industrie Farmaceutiche Iunite S.P.A.Immediate-release therapeutic systems for improved oral absorption of 7-[(e)]-t-buty-loxyminomethyl] camptothecin
USD77735Sep 7, 1927Feb 19, 1929The Connecticut electric Manufacturing CompanyDesign for a current tap
USD80102Aug 24, 1928Dec 10, 1929 Bebnabd f
USD86613Jan 29, 1932Mar 29, 1932 Philip latjter
USD109912Nov 16, 1937May 31, 1938by mesne assignmentsDesign for an electrical connecter
USD126590Dec 24, 1940Apr 15, 1941 Electrical outlet receptacle
USD159004May 5, 1949Jun 13, 1950 Duplex surface wiring outlet
USD164338Sep 16, 1950Aug 21, 1951 Multitap attachment plug
USD179081Sep 27, 1955Oct 30, 1956 Floor outlet receptacle
USD194105Apr 24, 1961Nov 20, 1962 Cube-tap
USD195955Aug 21, 1962Aug 13, 1963 Duplex electrical adapter
USD216262Jun 12, 1968Dec 9, 1969 Fused electric multiple receptacle
USD251293Apr 4, 1977Mar 13, 1979Trueblood, Inc.Connector
USD276225 *Jun 14, 1982Nov 6, 1984Powel and Associates, Inc.Electrical connector
USD277370May 20, 1982Jan 29, 1985Century Wire Gehr Industries, Inc.Electrical adapter
USD284758Apr 25, 1983Jul 22, 1986International Jensen IncorporatedPower outlet box with integral surge protector
USD285552Oct 25, 1983Sep 9, 1986Cable Electric Products, Inc.Six outlet system
USD285788Oct 3, 1984Sep 23, 1986North American Philips Corp.Electrical outlet
USD288177Sep 12, 1984Feb 10, 1987 Preset timer
USD292395 *Feb 19, 1985Oct 20, 1987Amp IncorporatedBoot for an electrical connector
USD301576Jul 28, 1986Jun 13, 1989 Multiple outlet electrical receptacle
USD305641Feb 12, 1987Jan 23, 1990Porta Systems Corp.AC surge protector
USD307742May 4, 1987May 8, 1990High Q Manufacturing Co.Electric plug with circuit breaker
USD312615Oct 7, 1988Dec 4, 1990Cable Electric Products, Inc.Surge protector housing
USD315141Mar 16, 1989Mar 5, 1991Curtis Manufacturing Company, Inc.Surge protector with visual indicator
USD315893Jul 11, 1988Apr 2, 1991Woods Far East, Inc.Heavy duty, remotely controlled timer switch
USD318262Jun 23, 1988Jul 16, 1991Porta Systems Corp.Grounded multiple outlet
USD325370Dec 7, 1990Apr 14, 1992 Combined electrical safety outlet and timer
USD325723May 24, 1990Apr 28, 1992Powerball Industries, Inc.Housing for an electrical plug receptacle
USD329423Nov 19, 1990Sep 15, 1992Pacomex Industries, Inc.Multiple electrical outlet adapter
USD347593Apr 14, 1993Jun 7, 1994Scientific-Atlanta, Inc.Automatic power outage dialer unit housing
USD347594Apr 15, 1993Jun 7, 1994Scientific-Atlanta, Inc.Automatic power outage dialer unit housing
USD350936Mar 25, 1993Sep 27, 1994Curtis Manufacturing Company, Inc.Multiple outlet surge protector
USD350938Mar 12, 1993Sep 27, 1994Curtis Manufacturing Company, Inc.Multiple outlet surge protector
USD357460 *Jun 25, 1993Apr 18, 1995 Outlet for multiple electrical receptacles
USD361315Oct 14, 1993Aug 15, 1995Thomas & Betts CorporationElectrical surge suppressor
USD364379Jan 21, 1994Nov 21, 1995Proxima CorporationSurge protector
USD370459Feb 15, 1995Jun 4, 1996Woods Industries, Inc.Decorative electrical outlet adapter
USD371341Jan 9, 1995Jul 2, 1996Primax Electronics, Ltd.Side-entry current tap
USD372702May 1, 1995Aug 13, 1996Woods Industries, Inc.Electrical cord set with continuity polarity safety switch
USD375292Mar 14, 1994Nov 5, 1996 Electrical wall outlet adaptor
USD376129Oct 6, 1995Dec 3, 1996U.S. Philips CorporationAdaptor
USD379796Feb 10, 1995Jun 10, 1997Leviton Manufacturing Co., Inc.Quadriplex receptacle design
USD379966Apr 19, 1996Jun 17, 1997 Telephone operated appliance controller
USD382658May 28, 1996Aug 19, 1997San Shih Electrical Enterprise Co., Ltd.Miniature lamp with electrical plug socket
USD397086Apr 11, 1997Aug 18, 1998 Electrical connector
USD401555Nov 20, 1996Nov 24, 1998 Socket adaptor with circuit breaker
USD406562Mar 27, 1998Mar 9, 1999 Power supply distribution device
USD408355Jan 26, 1998Apr 20, 1999Steelcase Inc.Power and data interface module
USD411981Nov 14, 1997Jul 13, 1999American Power Conversion CorporationElectrical surge protector unit for desk top products
USD415105 *Aug 6, 1998Oct 12, 1999 Extension cord connector
USD425638Feb 23, 1999May 23, 2000John Manufacturing Ltd.Sensor night light
USD436345Jan 5, 2000Jan 16, 2001Lentek International Inc.Multiple electrical outlet
USD440203Feb 17, 2000Apr 10, 2001Belkin ComponentsMultiple outlet adapter
USD442550May 17, 2000May 22, 2001Belkin ComponentsMultiple outlet wall tap
USD442916May 17, 2000May 29, 2001Belkin ComponentsMultiple outlet side entry wall tap
USD443589May 17, 2000Jun 12, 2001Belkin ComponentsMultiple outlet wall tap
USD446187Jan 16, 2001Aug 7, 2001Jeckson Electric Co., Ltd.AC adaptor
USD446502 *May 26, 2000Aug 14, 2001Apollo (A&J) Electrical Products Asia Mfg., Corp.Current tap with wire locked device and multiple outlets
USD462056Jan 26, 2001Aug 27, 2002Vectorview LimitedElectrical connector
USD467873Mar 28, 2002Dec 31, 2002Jeff YuReceptacle adapter
USD468848May 16, 2002Jan 14, 2003American Tack & Hardware Co., Ltd.Night light with convenience outlets
USD469062Jan 7, 2002Jan 21, 2003Nieto GermanElectrical connector
USD481357Oct 21, 2002Oct 28, 2003All-Line Inc.Power strip
USD483331Nov 15, 2002Dec 9, 2003Hataya Mfg. Co., Ltd.Socket with power cord
USD483723Nov 15, 2002Dec 16, 2003Hataya Mfg. Co., Ltd.Socket with power cord
USD486126 *Apr 1, 2003Feb 3, 2004Tower Manufacturing CorporationGFCI with five receptacles
USD492253Apr 2, 2003Jun 29, 2004Dominic K. LeeElectrical receptacle adapter
USD492254Dec 10, 2002Jun 29, 2004Matsushita Electric Works, Ltd.Wire duct plug
USD493426Oct 10, 2003Jul 27, 2004O'sullivan Industries, Inc.Power and communication hub
USD495657Apr 2, 2003Sep 7, 2004Multiway Industries LtdElectrical plug
USD512963Sep 15, 2004Dec 20, 2005Multiway Industries, Ltd.Double sided wall tap
USD514067Sep 15, 2004Jan 31, 2006Multiway Industries, Ltd.Multiple outlet wall tap
USD540257Nov 11, 2005Apr 10, 2007Irina IvanovaElectrical adapter
USD547271Sep 18, 2006Jul 24, 2007Kenneth Yat Chung NgTravel surge protector
USD547272Sep 18, 2006Jul 24, 2007Kenneth Yat Chung NgWall tap
USD549650Nov 3, 2006Aug 28, 2007Camco Manufacturing, Inc.Electrical generator adapter with indicator light
USD559184Mar 1, 2007Jan 8, 2008Camco Manufacturing, Inc.90 Degree electrical adapter with indicator light
USD562240Jun 7, 2007Feb 19, 2008Multiway Industries LtdIn line extension cord tap
USD576552 *Jan 11, 2008Sep 9, 2008Camco Manufacturing, Inc.Electrical adapter with indicator light
USD596571Jun 19, 2007Jul 21, 2009Green Robert LElectric plug
USD599290Dec 30, 2008Sep 1, 2009Multiway Industries Ltd.Multiple electrical plug with light indicator
Non-Patent Citations
1U.S. Appl. No. 12/231,508, filed Sep. 3, 2008, Lee.
2U.S. Appl. No. 12/551,913, filed Sep. 1, 2009, Lee.
3U.S. Appl. No. 12/649,465, filed Dec. 30, 2009, Lee.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8834198Oct 10, 2013Sep 16, 2014Kevin O'RourkeElectrical adaptor having a temperature indicator
US9450348Sep 12, 2014Sep 20, 2016Kevin O'RourkeElectrical adaptor having a temperature indicator
US20080057767 *Aug 10, 2007Mar 6, 2008O'rourke KevinElectrical adaptor having an anchor
USD651977Jan 10, 2011Jan 10, 2012Multiway Industries (Hk) Ltd.Multiple outlet electrical connector
USD702183 *Jan 25, 2013Apr 8, 2014Camco Manufacturing Inc.Generator adapter 3 prong
USD730841Feb 6, 2014Jun 2, 2015Multiway Industries (Hk) Ltd.Lockable electrical connector
USD736710 *Sep 11, 2013Aug 18, 2015Chia-Hua LinMulti-direction socket
USD765033 *Dec 9, 2014Aug 30, 2016Douglas J. OostermanRotating receptacle
DE102011017259A1Apr 15, 2011Oct 18, 2012Volkswagen AgDevice i.e. three-way connector, for use with travel adapter for electrically connecting battery charging cable of e.g. passenger car to electricity supply network, has connector sockets connected to connectors of different plug systems
U.S. ClassificationD13/137.2