Liquid level control valve

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Description

FIG. 1 is a left side elevational view of a liquid level control valve showing my new design, the right side being a mirror image of the left side shown;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D235545 June 1975 Cox
D257544 November 18, 1980 Johnson
D257566 November 25, 1980 Kottmeier et al.
2088316 July 1937 Alvarez
2835270 May 1958 York et al.
2842158 July 1958 Robinson
3157160 November 1964 Osipr
3176707 April 1965 Wilson
3310065 March 1967 Godshalk
4586532 May 6, 1986 Tsolkas
4640307 February 3, 1987 Roberts
Patent History
Patent number: D292821
Type: Grant
Filed: Jul 31, 1985
Date of Patent: Nov 17, 1987
Inventor: Ilias Tsolkas (Clearwater, FL)
Primary Examiner: James R. Largen
Application Number: 6/760,964
Classifications
Current U.S. Class: Ballcock Or Float Type (D23/236)