U.S. patent number D283,438 [Application Number 06/405,516] was granted by the patent office on 1986-04-15 for replaceable air filter. This patent grant is currently assigned to Conair Corporation. Invention is credited to Edward J. Doyle.
United States Patent | D283,438 |
Doyle | April 15, 1986 |
Inventors: | Doyle; Edward J. (Hatboro, PA) |
---|---|
Assignee: | Conair Corporation (Edison,
NJ) |
Appl. No.: | 06/405,516 |
Filed: | August 5, 1982 |
Current U.S. Class: | D23/365 |
Field of Search: | ;D23/149 ;55/DIG.31,527,529 ;D25/95,97 |
D244538 | May 1977 | Wharton et al. |
2170207 | August 1939 | Mosier et al. |
3017698 | January 1962 | Hambrecht et al. |
3023839 | March 1962 | Best |
3076303 | February 1963 | Durgeloh |
3154393 | October 1964 | Klein et al. |
3774377 | November 1973 | Bishop |
4105423 | August 1978 | Latakas |
4277267 | July 1981 | Posner |
Handbook of Designs and Devices by Clarence P. Hornung, copyright 1932, p. 2, #14, Variant of the Circle, exr. room CP4-10A03.. |
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