Valve check member

- The Hotsy Corporation
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Description

FIG. 1 is a perspective view of a valve check member showing my new design;

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

FIG. 3 is an end elevational view thereof;

FIG. 4 is an end elevational view taken from the end opposite that shown in FIG. 3.

Referenced Cited
U.S. Patent Documents
D137797 May 1944 Pool
D137799 May 1944 Pool
D137800 May 1944 Pool
D137801 May 1944 Pool
D137987 May 1944 Pool
D139152 October 1944 Pool
201870 April 1878 Conradt
D218518 August 1970 Oden
367324 July 1887 Shields
711771 October 1902 Keller
1241352 September 1917 Doering et al.
1984497 December 1934 Riedel
1996291 April 1935 Haas
2754048 July 1956 Hansen
2757684 August 1956 Ulrich
3059895 October 1962 Brown
3157191 November 1964 Garrett et al.
3508572 April 1970 Paffrath
3712334 January 1973 Rolfzen
3846730 December 1969 Potash
3879013 April 1975 Hajek
4123089 October 31, 1978 Viero et al.
4629159 December 16, 1986 Wellenstam
Patent History
Patent number: D318098
Type: Grant
Filed: May 31, 1988
Date of Patent: Jul 9, 1991
Assignee: The Hotsy Corporation (Englewood, CO)
Inventor: E. Lloyd Rizer (Englewood, CO)
Primary Examiner: James R. Largen
Assistant Examiner: Demetrius Reynolds
Law Firm: Zarley, McKee, Thomte, Voorhees, & Sease
Application Number: 7/200,293
Classifications
Current U.S. Class: Element Or Attachment (D23/249)