Room heat recirculator
Montecalvo November 4, 1
U.S. patent number D257,485 [Application Number 06/107,451] was granted by the patent office on 1980-11-04 for room heat recirculator. Invention is credited to Lawrence G. Montecalvo.
| United States Patent | D257,485 |
| Montecalvo | November 4, 1980 |
Room heat recirculator
Claims
The ornamental design for a room heat recirculator, substantially as shown and described.
| Inventors: | Montecalvo; Lawrence G. (Warren, OH) |
|---|---|
| Appl. No.: | 06/107,451 |
| Filed: | December 26, 1979 |
| Current U.S. Class: | D23/370 |
| Current International Class: | D2304 |
| Field of Search: | ;D23/139,151 ;98/29,33R,33A,108 |
References Cited [Referenced By]
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 1976 | Whiteley |
| 4053732 | October 1977 | Carter |
| 4064203 | December 1977 | Cox |
| 4136606 | January 1979 | Wolbrink |
| 4152973 | May 1979 | Peterson |
| 2275734 | Jan 1976 | FR | |||
| 2296818 | Jul 1976 | FR | |||
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.
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