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Publication numberUSD310219 S
Publication typeGrant
Application numberUS 07/120,089
Publication dateAug 28, 1990
Filing dateNov 12, 1987
Priority dateMay 13, 1987
Publication number07120089, 120089, US D310219 S, US D310219S, US-S-D310219, USD310219 S, USD310219S
InventorsMartin F. Carlile
Original AssigneeTunstall Telecom Limited
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Master unit for an intercommunication system
US D310219 S
Abstract  available in
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  1. The ornamental design for a master unit for an intercommunication system, as shown.

FIG. 1 is a front and right side perspective view of a master unit for an intercommunication system showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Non-Patent Citations
1CQ The Radio Amateur's Journal; Nov. 1986; p. 33; Sony AIR-8.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD735167 *Nov 14, 2013Jul 28, 2015Cisco Technology Inc.Remote control unit
USD742380Dec 1, 2013Nov 3, 2015Samsung Electronics Co., Ltd.Keyboard for tablet computer
USRE43996Feb 19, 2013Pchome Online, Inc.Telephone
U.S. ClassificationD14/159, D14/218