Bellows valve

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Description

FIG. 1 is a top perspective view of a bellows valve showing our new design;

FIG. 2 is a side elevational view thereof, the opposite side being the same as the side shown;

FIG. 3 is an end elevational view thereof, the opposite end being the same as the end shown;

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

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D287043 December 2, 1986 Hughes
D287044 December 2, 1986 Hughes
4526341 July 2, 1985 Thomas
4634099 January 6, 1987 Danko et al.
4687017 August 18, 1987 Danko et al.
4712576 December 15, 1987 Ariizumi et al.
4804164 February 14, 1989 Nakazawa et al.
Patent History
Patent number: D331449
Type: Grant
Filed: Jan 29, 1990
Date of Patent: Dec 1, 1992
Assignee: Sequoia Controls Co., Ltd. (Carson, CA)
Inventors: David Adishian (Palos Verdes Estates, CA), Ira J. Silverman (Northridge, CA)
Primary Examiner: James R. Largen
Law Firm: Skjerven, Morrill, MacPherson, Franklin & Friel
Application Number: 7/471,808
Classifications
Current U.S. Class: Valve Or Body Therefor (D23/233)