U.S. patent number D284,757 [Application Number 06/511,772] was granted by the patent office on 1986-07-22 for adapter base for electric lamp. Invention is credited to Herman J. Engel.
United States Patent | D284,757 |
Engel | * July 22, 1986 |
Inventors: | Engel; Herman J. (Philadelphia, PA) |
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[*] Notice: | The portion of the term of this patent subsequent to July 15, 2000 has been disclaimed. |
Appl. No.: | 06/511,772 |
Filed: | July 7, 1983 |
Current U.S. Class: | D13/135; D26/3 |
Field of Search: | ;D26/1,2,3,26,25 ;D13/25 ;313/318,315,493 ;315/48,53,56,57,58,62,63 ;362/216,217,226 |
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Norelco Specification Sheet entitled "PL Lamp" printed in U.S.A. in Jul. 1982. . Norelco Specification Sheet, 1983.. |
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