Room heat recirculator

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Description

FIG. 1 is an elevational view of a room heat recirculator showing my new design,

FIG. 2 is a top plan view thereof, the bottom being the same as the top shown;

FIG. 3 is an enlarged cross sectional view taken on line 3--3 of FIG. 1; and

FIG. 4 is an enlarged fragmentary cross sectional view taken on line 4--4 of FIG. 1.

Referenced Cited
U.S. Patent Documents
1170551 February 1916 Marty
2528650 November 1950 Graham
3173353 March 1965 Watkins
3347025 October 1967 Wiley
3750557 August 1973 Peill et al.
3827342 August 1974 Hughes
3973479 August 10, 1976 Whiteley
4053732 October 11, 1977 Carter
4064203 December 20, 1977 Cox
4136606 January 30, 1979 Wolbrink
4152973 May 8, 1979 Peterson
Foreign Patent Documents
2275734 January 1976 FRX
2296818 July 1976 FRX
Patent History
Patent number: D257485
Type: Grant
Filed: Dec 26, 1979
Date of Patent: Nov 4, 1980
Inventor: Lawrence G. Montecalvo (Warren, OH)
Primary Examiner: James R. Largen
Application Number: 6/107,451
Classifications
Current U.S. Class: D23/151
International Classification: D2304;