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.

Patents

  1. Advanced Patent Search
Publication numberUSD386246 S
Publication typeGrant
Application numberUS 29/006,948
Publication dateNov 11, 1997
Filing dateApr 9, 1993
Priority dateMar 1, 1993
Publication number006948, 29006948, US D386246 S, US D386246S, US-S-D386246, USD386246 S, USD386246S
InventorsCarl-Gustaf Sonden, Kenneth Lennartsson
Original AssigneeLindab Ab
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Circular sleeve coupling
US D386246 S
Images(1)
Previous page
Next page
Claims(1)
  1. The ornamental design for a circular sleeve coupling, as shown and described.
Description

FIG. 1 is a perspective view of a circular sleeve coupling, showing our new design, as seen obliquely from the front;

FIG. 2 is a perspective view of the sleeve coupling, as seen obliquely from the back; and,

FIG. 3 is a side elevation of the sleeve coupling, the opposite side being a mirror image thereto.

Non-Patent Citations
Reference
1Catalogue entitled "Kanalsystem VELODUCT", issued by Flakt in 1982.
2Curve Cutting Machine Delta 2 issued by Emil Suter Maschinenfabrik AG, CH-5703 Seon/Schweiz (English translation).
3General drawings No. J299102, producted by the Swedish company Flakt and dated Nov. 19, 1981 (811119).
4German-language Product literature entitled "Kurven-schneidemaschine delta 2," issued by SUTER AG SEON, 5703 Seon/Schweiz, Switerland, 6 pp., first distributed c. 1982.
5Pipes by Solplast AB disclosed in a catalogue entitled "Svensk Byggkatalog Arp-87", issued by Svensk Byggtajanst in 1987.
6Product Catalog entitled "Circular System," issued by Lindab AB, 45 Caswell Road, Brackmills Business Park, Northampton NN4 0PW, England, 42 pp., Mar. 1992.
7Product Catalog entitled "Ducts and Fittings," issued by Lindab AB, Caswell Road, Brackmills Industrial Estate, Northampton NN4 0BR, 52 pp., first distributed in 1987.
8Product ESIU disclosed in a catalogue entitled "Ventilation -88", issued by Lindab AB in 1988.
9Product IK disclosed in a catalogue entitled "Ventilation -88", issued by Lindab AB in 1988.
10Product literature entitled "Seam Forming and Locking Machine beta 2," issued by SUTER AG Seon, 5703 Seon/Schweiz, Switzerland, 4 pp., first distributed c. 1982.
11Product literature entitled "SPIRO Bend Segment Cutting Machine II" issued by SPIRO Investment AG, Industriestrasse, CH-3178 Boesingen, Switzerland, 6 pp., first distributed c. 1980.
12Product literature entitled "SPIRO Bend Segment Cuttng Machine I" issued by Spiro Investment AG, Industriestrasse, CH-3178 Boesingen, Switzerland, 2 pp., first distributed c. 1978.
13Product NPU disclosed in a catalogue entitled "Ventilation -88", issued by Lindab AB in 1988.
14Swedish-language Product Catalog entitled "VELODUCT Cirkulart kanalsystem," issued by Flakt VELODUCT AB, Prastgardsvagen 15, Box. 84. 153 00 Jarna, Sweden, 29 pp., Jun. 1991.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US6709021 *Oct 15, 2002Mar 23, 2004D.J. Mielke, Inc.Tubular member coupling device
US6832786Aug 18, 2003Dec 21, 2004D.J. Mielke, Inc.Tubular member coupling device
US7523964Mar 24, 2005Apr 28, 2009Langdon IncorporatedSealing gasket for ventilation duct system
US8361181May 14, 2009Jan 29, 2013Donaldson Company, Inc.Air cleaner assemblies; filter cartridges therefor; features; and, methods
Classifications
U.S. ClassificationD23/262