Solar powered valve control unit

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Description

FIG. 1 is a front elevational view of a solar powered valve control unit showing my new design;

FIG. 2 is a side elevational view taken from the left of FIG. 1;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D232579 August 1974 Landherr
D232971 September 1974 Dixon
4253445 March 3, 1981 Wilson
4313423 February 2, 1982 Mahdjuri
4338922 July 13, 1982 Moore
4421943 December 20, 1983 Withjack
Patent History
Patent number: D277286
Type: Grant
Filed: Aug 27, 1982
Date of Patent: Jan 22, 1985
Assignee: Otis Engineering Corporation (Dallas, TX)
Inventor: Mark A. Schnatzmeyer (Lewisville, TX)
Primary Examiner: B. J. Bullock
Assistant Examiner: Suzanne N. Gitlin
Attorney: Thomas R. Felger
Application Number: 6/412,381