Check valve

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Description

FIG. 1 is an elevational view of one side of the check valve of the present invention, the other side being a mirror image thereof.

FIG. 2 is an elevational view of one end of the check valve of the present invention.

FIG. 3 is an elevational view of the end opposite to the end of the check valve depicted in FIG. 2.

FIG. 4 is a top plan view of the check valve of the present invention; and,

FIG. 5 is a bottom plan view of the check valve of the present invention.

Referenced Cited
U.S. Patent Documents
D297560 September 6, 1988 LeBareton
D359103 June 6, 1995 Bouc et al.
2289556 July 1942 Stoyke
2339101 January 1944 Parker
Patent History
Patent number: D426617
Type: Grant
Filed: Dec 18, 1998
Date of Patent: Jun 13, 2000
Assignee: Hansen Developments Ltd.
Inventor: Albert Frederick Hansen (Whangarei)
Primary Examiner: Robin V. Taylor
Law Firm: Dorsey & Whitney LLP
Application Number: 0/97,989
Classifications
Current U.S. Class: Check (D23/237)
International Classification: 2301;