Device used to lock and secure an electrical plug

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Description

FIG. 1 is a front and upper left, exploded, perspective view of a device used to lock and secure an electrical plug showing our new design;

FIG. 2 is a front and upper left perspective view thereof shown in the assembled condition;

FIG. 3 is a left side view of a single member of the device used to lock and secure an electrical plug. The accompanying member is omitted for clarity of illustration;

FIG. 4 is a top view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a front view thereof.

The omitted accompanying member is identical to the one shown. The broken line showing of the plug and cord is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D309893 August 14, 1990 Endo et al.
D325374 April 14, 1992 Ashby
4592607 June 3, 1986 Pejovic
4679873 July 14, 1987 Brackett, Jr.
4749363 June 7, 1988 Luska et al.
5061194 October 29, 1991 Herman et al.
5178551 January 12, 1993 Bach
Foreign Patent Documents
1113521 March 1956 CAX
2234687 January 1975 FRX
2633458 December 1989 FRX
2237150 April 1991 GBX
Patent History
Patent number: D386149
Type: Grant
Filed: May 23, 1994
Date of Patent: Nov 11, 1997
Inventors: William R. Malone, Sr. (Maple Grove, MN), Theresa Anne Malone (Maple Grove, MN)
Primary Examiner: Joel Sincavage
Application Number: 0/23,339
Classifications
Current U.S. Class: Cap, Cover Or Boot (D13/156)
International Classification: 1303;