Solar space heater

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Description

FIG. 1 is a front perspective view of a solar space heater, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side elevational view, the right side being identical thereto;

FIG. 5 is an end elevational view, the opposite end being identical thereto .

Referenced Cited
U.S. Patent Documents
D256840 September 9, 1980 Katz
D257893 January 13, 1981 Millhollen
D258530 March 10, 1981 Atkinson
D260031 July 28, 1981 Pearson
4072142 February 7, 1978 Lof
4271825 June 9, 1981 Schwob et al.
4291681 September 29, 1981 Berringer
4297990 November 3, 1981 Allisbaugh
4300532 November 17, 1981 Olsen
4313429 February 2, 1982 McAlaster
4353357 October 12, 1982 Nelson
4366808 January 4, 1983 Nash
4379449 April 12, 1983 Wiggins et al.
4393862 July 19, 1983 Wilke
4407270 October 4, 1983 Riedel
Patent History
Patent number: D283836
Type: Grant
Filed: Apr 7, 1983
Date of Patent: May 13, 1986
Assignee: Resource Technologies, Inc. (Cincinnati, OH)
Inventors: Oak Surber (Cincinnati, OH), Ronald Lee (Loveland, OH)
Primary Examiner: Catherine E. Kemper
Law Firm: Frost & Jacobs
Application Number: 6/482,798
Classifications
Current U.S. Class: D23/72