U.S. patent number D257,669 [Application Number 05/827,831] was granted by the patent office on 1980-12-23 for cap for a smoke inhalation device. This patent grant is currently assigned to Oat Willie's Dept. Store, Inc.. Invention is credited to Alexander B. Robertson.
United States Patent | D257,669 |
Robertson | December 23, 1980 |
Inventors: | Robertson; Alexander B. (Austin, TX) |
---|---|
Assignee: | Oat Willie's Dept. Store, Inc.
(Austin, TX) |
Appl. No.: | 05/827,831 |
Filed: | August 25, 1977 |
Current U.S. Class: | D9/436; D27/168 |
Current International Class: | D0907 |
Field of Search: | ;D9/254,261-268,277,280-287 ;131/171-175 ;D27/51,3,5,7 |
D120461 | May 1940 | Jung |
D138080 | June 1944 | Derham |
D167725 | September 1952 | Soffer |
D187415 | March 1960 | Sanchis |
D197927 | April 1964 | Abplanalp |
D201403 | June 1965 | Utz |
D201440 | June 1965 | Harrison |
D228447 | September 1973 | Glazer |
2510909 | June 1950 | Schuelein |
2960981 | November 1960 | Robertson |
3417757 | December 1968 | Killen et al. |
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