Constant flow selector valve

- Robertshaw Controls Co.

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Description

FIG. 1 is a top plan view of a constant flow selector valve embodying my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front perspective view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D136369 September 1943 Kuppersmith
D154427 July 1949 Peterson
D172372 June 1954 Wagner
D177198 March 1956 Terrg et al.
D207766 May 1967 Keane
D218306 August 1970 Kreis et al.
2361655 October 1944 Robinson
2968474 January 1961 Eichelman et al.
3949966 April 13, 1976 Fabish
Patent History
Patent number: D246909
Type: Grant
Filed: Feb 5, 1976
Date of Patent: Jan 10, 1978
Assignee: Robertshaw Controls Co.
Inventor: Dean R. Dennis (Cypress, CA)
Primary Examiner: James R. Largen
Attorney: Auzville Jackson, Jr.
Application Number: 5/655,605
Classifications
Current U.S. Class: D23/21
International Classification: D2301;