Probe check valve

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Description

FIG. 1 is a side perspective view of a probe check valve, showing my new design;

FIG. 2 is a front end view of the probe check valve;

FIG. 3 is a back end view of the probe check valve; and,

FIG. 4 is a side elevational view of a probe check valve, all other sides being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D274083 May 29, 1984 Burruss
D274746 July 17, 1984 Burruss
D288349 February 17, 1987 Howlett
4498532 February 12, 1985 Mason
4575044 March 11, 1986 Gentry
Patent History
Patent number: D368299
Type: Grant
Filed: Nov 29, 1994
Date of Patent: Mar 26, 1996
Inventor: George L. Ratledge (Clovis, NM)
Primary Examiner: Stella Reid
Attorneys: DeWitt M. Morgan, Kevin Lynn Wildenstein
Application Number: 0/31,500
Classifications
Current U.S. Class: Pressure Regulating Or Relieving (D23/235)