Patent
   D338446
Priority
Jan 21 1992
Filed
Jan 21 1992
Issued
Aug 17 1993
Expiry
Aug 17 2007
Assg.orig
Entity
unknown
6
4
n/a
The ornamental design of a lockable cover for electric plug prongs, as shown and described.

FIG. 1 is a rear left perspective view of a lockable cover for electrical plug prongs showing my new design;

FIG. 2 is a front right perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

Werner, Theodore A.

Patent Priority Assignee Title
7121853, Nov 29 2005 Locking device for electrical plugs and electrical outlets
D487726, Apr 30 2003 Safety cap for electric plug
D553570, Aug 30 2006 Hubbell Incorporated Power outlet plug
D637471, Apr 23 2010 Power cord lock box
D730841, Feb 06 2014 MULTIWAY INDUSTRIES HK LTD Lockable electrical connector
D793842, Dec 14 2015 WAGNER SPRAYTECH UK LTD Case for heat gun
Patent Priority Assignee Title
3345603,
4969833, Oct 04 1988 Permanently attachable key-activated on/off switch
DE3304727,
FR1312281,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 21 1992United States Marketing Corporation(assignment on the face of the patent)
Jan 15 1993WERNER, THEODORE A UNITED STATES MARKETING CORP ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0065620963 pdf
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