Lockable cover for electrical plug prongs

Description

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.

Referenced Cited
U.S. Patent Documents
3345603 October 1967 Cohen
4969833 November 13, 1990 Lindow et al.
Foreign Patent Documents
3304727 August 1984 DEX
1312281 November 1962 FRX
Patent History
Patent number: D338446
Type: Grant
Filed: Jan 21, 1992
Date of Patent: Aug 17, 1993
Assignee: United States Marketing Corporation (Huntington Stn., NY)
Inventor: Theodore A. Werner (Burlington Flats, NY)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorney: Edward H. Loveman
Application Number: 7/823,553
Classifications
Current U.S. Class: Cap, Cover Or Boot (D13/156)