Propane tank safety pressure vent valve

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Description

FIG. 1 is an exploded perspective view of a propane tank safety pressure vent valve, showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

The fragmentary broken line representation of a propane tank in FIG. 2 is for purposes of illustration only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D223094 March 1972 Coleman et al.
D232360 August 1974 Watts
1833796 November 1931 Rivero
1973258 September 1934 Jensen
2138000 November 1938 Ehlers
2155124 April 1939 Gibbons
2781778 February 1957 Lisciani
3131718 May 1964 Mingrone
Patent History
Patent number: D266019
Type: Grant
Filed: Feb 19, 1980
Date of Patent: Aug 31, 1982
Inventor: Raymond R. Crossman (Sacramento, CA)
Primary Examiner: James R. Largen
Law Firm: Lothrop & West
Application Number: 6/122,595
Classifications
Current U.S. Class: D23/19
International Classification: D2301;