Seismically triggered valve

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Description

FIG. 1 is perspective view of a seismically triggered valve embodying our new design, and showing the front, left end and top thereof;

FIG. 2 is a right end elevational view thereof;

FIG. 3 is a left end elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D312121 November 13, 1990 Wozniak et al.
D345006 March 8, 1994 Gallagher et al.
5454393 October 3, 1995 Crain
5595207 January 21, 1997 Jiles
Patent History
Patent number: D403409
Type: Grant
Filed: Oct 17, 1997
Date of Patent: Dec 29, 1998
Inventors: Dale Dean (Burbank, CA), Ralph R. Swenson (Coulterville, CA)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Robin V. Taylor
Attorney: James B. Middleton
Application Number: 0/78,059
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233)
International Classification: 2301;