Water-circulating heat extractor

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Description

FIG. 1 is a top view of a water-circulating heat extractor showing my new design, with the bottom view being identical;

FIG. 2 is a side view, with the opposite side view being a mirror image;

FIG. 3 is a right end view; and

FIG. 4 is a left end view.

Referenced Cited
U.S. Patent Documents
631184 August 1899 Sheppard
647427 April 1900 Sawyer
1028261 June 1912 Nichol
1122648 December 1914 Schwartz
1125183 January 1915 Rymal
1665520 April 1928 Wood
4088113 May 9, 1978 McIntire et al.
4131231 December 26, 1978 Cleer, Jr.
4195617 April 1, 1980 Scopetti et al.
4257557 March 24, 1981 Thomasma et al.
4344411 August 17, 1982 Dearborn
4352454 October 5, 1982 Ewing
Patent History
Patent number: D276549
Type: Grant
Filed: May 25, 1982
Date of Patent: Nov 27, 1984
Inventor: Clarence W. Cleer, Jr. (Kane, PA)
Primary Examiner: Catherine E. Kemper
Law Firm: Cushman, Darby & Cushman
Application Number: 6/381,880
Classifications
Current U.S. Class: D23/127; D23/136