U.S. patent number D320,267 [Application Number 07/618,784] was granted by the patent office on 1991-09-24 for vent cap cover. Invention is credited to Allen C. Thomas.
United States Patent | D320,267 |
Thomas | September 24, 1991 |
Inventors: | Thomas; Allen C. (Tampa, FL) |
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Appl. No.: | 07/618,784 |
Filed: | November 27, 1990 |
Application Number | Filing Date | Patent Number | Issue Date | ||
---|---|---|---|---|---|
458975 | Dec 27, 1989 | ||||
Current U.S. Class: | D23/371 |
Field of Search: | ;D23/393,373,374,370,371,386,387 ;98/86.5,66.1,35,2.16,2.14 |
D259508 | June 1981 | Giles |
727019 | May 1903 | Stewart |
1606410 | November 1926 | Frame |
2172939 | September 1939 | Lintern et al. |
2294363 | September 1942 | Brockway |
2550353 | April 1951 | Hopfinger |
3085490 | April 1963 | Field |
3738621 | June 1973 | Anderson |
4026971 | May 1977 | Glasae |
4196657 | April 1980 | Crongeyer |
4759270 | July 1988 | Lindeen |
2613666 | Oct 1977 | DE | |||
Photos Labeled A-E of a Vent Cap Cover, in public use prior to Dec. 1989. . J. C. Whitney's Cat. .COPYRGT.1979, p. 25, Roof Air Scoops 1, 2, and 3, top left and middle left Sides of page respectively. . 1981 Sweet's Cat., vol. 11, Section 10.19/50, p. 3, Ampcor Roof Louvers RV-75, DV-75, RV-73, top right side of page. G33113. |
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