Liquid level control valve

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Description

FIG. 1 is a perspective from above of a liquid level control valve showing our new design.

FIG. 2 is a side view thereto.

FIG. 3 is a rear view thereto.

FIG. 4 is a front view thereto.

FIG. 5 is a bottom view thereto.

FIG. 6 is a top plan view thereto.

The broken line representation of a connector pin in FIGS. 1 through 6 is for purposes of illustration only.

Referenced Cited
U.S. Patent Documents
3004748 October 1961 Sprouse et al.
3456927 July 1969 Martin et al.
Other references
  • Sear, Roebuck & Co. Brochure on Model 303,9303 Super 15 Furnace Humidifier (C) 1967, pp. 8 & 11.
Patent History
Patent number: D257566
Type: Grant
Filed: Jan 13, 1978
Date of Patent: Nov 25, 1980
Inventors: Kent L. Kottmeier (Buffalo Grove, IL), Anthony M. Kottmeier (Schaumburg, IL)
Primary Examiner: James R. Largen
Attorney: William E. Anderson
Application Number: 5/869,179
Classifications
Current U.S. Class: D23/19
International Classification: D2301;