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Patent
D353580
Priority
Feb 28 1990
Filed
Apr 13 1992
Issued
Dec 20 1994
Expiry
Dec 20 2008
Assg.orig
Entity
unknown
7
15
n/a
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.
Woehler, Stephen K.
Patent
Priority
Assignee
Title
9018555 ,
Oct 12 2011
Security cover plate for light switch
9197018 ,
Feb 27 2013
NUK USA LLC
Child-resistant plug
D428601 ,
Mar 25 1999
Lockout cap for a panel-mounted switch having a threaded collar
D435022 ,
Aug 26 1999
Wilbur J, Thomas
Electrical toggle switch blocker
D440948 ,
Nov 08 2000
Lockout cap for a panel-mounted switch having a threaded collar
D559204 ,
Feb 17 2006
UNIVERSAL ATLANTIC SYSTEMS, LLC
Wall-mounted switch guard
D721045 ,
Jul 31 2013
Brady Worldwide, Inc.; BRADY WORLDWIDE, INC
Push button lockout device base
Patent
Priority
Assignee
Title
2472205 ,
2813938 ,
3811104 ,
3995201 ,
Jun 23 1975
Westinghouse Electric Corporation
Locking device for a rotatable dial on a stationary base
4052655 ,
Sep 10 1975
Battery recharging meter
4468544 ,
Jul 25 1983
Switch lock
4506120 ,
Nov 18 1982
Arrangement for preventing operation of an electric switch
5115376 ,
Jan 23 1990
SHARP KABUSHIKI KAISHA, A JOINT-STOCK CO OF JAPAN
IC card ejecting device
CH239441 ,
178439 ,
197426 ,
D253171 ,
May 16 1977
Emerson Electric Co.
Insulator for electric heating elements
D264205 ,
Sep 05 1979
Motorola, Inc.
Heat sink or similar article
D319576 ,
Jan 13 1989
CertainTeed Corporation
Pivot bar component of a tiltable window sash
DE2927333 ,
Executed on Assignor Assignee Conveyance Frame Reel Doc
Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
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