Valve lock

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Description

FIG. 1 is a perspective view of a valve lock showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
440714 November 1890 Lamb et al.
1947081 February 1934 Grady et al.
4352370 October 5, 1982 Childress
5092359 March 3, 1992 Wirta et al.
Patent History
Patent number: D348306
Type: Grant
Filed: Jan 14, 1992
Date of Patent: Jun 28, 1994
Inventor: Rufus A. Parker (Denver, CO)
Primary Examiner: Stella Reid
Assistant Examiner: Eric Watterson
Application Number: 7/820,233
Classifications
Current U.S. Class: Element Or Attachment (D23/249)