Plug lock

Description

FIG. 1 is a front, top and side perspective view of the plug lock showing my new design;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a side elevational view thereof, the side opposite being a mirror image of the side shown in FIG. 4;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front and upper left perspective thereof.

Referenced Cited
U.S. Patent Documents
2415602 February 1947 Monaco
2654073 September 1953 Katz
2664734 January 1954 McEneaney
2733416 January 1956 Evalt
2759492 August 1956 Benson et al.
4566297 January 28, 1986 Hawley
4691974 September 8, 1987 Pinkerton
4812131 March 14, 1989 Sieverman
4895527 January 23, 1990 Brown
5055057 October 8, 1991 Boyer
5190466 March 2, 1993 McVey
Other references
  • Adapter 5272 on p. M-1 of Bryant Wiring Devices Catalog BDB-1504 printed Jun. 1987. Lightning bolt symbols on p. 140 of Henry Dreyfuss Symbol Sourcebook, .COPYRGT.1972. Lightning bolt insignia 152 on p. 33 of American Badges & Insignia by Evans E. Kerrigan, .COPYRGT.1967.
Patent History
Patent number: D354043
Type: Grant
Filed: Feb 5, 1993
Date of Patent: Jan 3, 1995
Inventor: Bruce Noland (Biloxi, MS)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Joel Sincavage
Attorney: Terry M. Gernstein
Application Number: 0/4,486
Classifications
Current U.S. Class: Cap, Cover Or Boot (D13/156)