Piercing valve

- Gem Products, Inc.
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Description

FIG. 1 is a perspective view taken from the top, front and right side of a piercing valve showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D237883 December 1975 Zetterberg et al.
3198206 August 1965 O'Brien
3252474 May 1966 Ehrens et al.
3252475 May 1966 Jones
3428075 February 1969 Wagner
3554217 January 1971 Ehrens et al.
3973584 August 10, 1976 McKinnon et al.
3978881 September 7, 1976 Mouranie
4204559 May 27, 1980 Wagner
4415000 November 15, 1983 Odmann
4537214 August 27, 1985 Cowan
Patent History
Patent number: D288708
Type: Grant
Filed: Nov 27, 1984
Date of Patent: Mar 10, 1987
Assignee: Gem Products, Inc. (CA)
Inventor: Arnold A. Cowan (Encino, CA)
Primary Examiner: James R. Largen
Law Firm: Cislo & Thomas
Application Number: 6/675,360
Classifications
Current U.S. Class: D23/19