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Publication numberUSD353580 S
Publication typeGrant
Application numberUS 07/867,928
Publication dateDec 20, 1994
Filing dateApr 13, 1992
Publication number07867928, 867928, US D353580 S, US D353580S, US-S-D353580, USD353580 S, USD353580S
InventorsStephen K. Woehler
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Lock for an electrical switch
US D353580 S
Abstract  available in
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  1. The ornamental design for a lock for an electrical switch, as shown and described.

FIG. 1 is a front elevational view of a lock for an electrical switch showing my new design. The broken line showing the wall switch and switch plate is included for the purpose of illustrating environmental elements only and forms no part of the claimed design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof; the left side elevational view thereof being the mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Non-Patent Citations
1Toggle switch lock on p. 2 of IBM Technical Disclosure Bulletin vol. 3, No. 8, Jan. 1961.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US9018555 *Oct 11, 2012Apr 28, 2015Robin A. RaySecurity cover plate for light switch
US20130092516 *Apr 18, 2013Robin A. RaySecurity cover plate for light switch
US20140242830 *Oct 28, 2013Aug 28, 2014Nuk Usa LlcChild-resistant plug
U.S. ClassificationD13/173