U.S. patent number D291,557 [Application Number 06/654,843] was granted by the patent office on 1987-08-25 for adapter base for fluorescent lamp. Invention is credited to Herman J. Engel.
United States Patent | D291,557 |
Engel | August 25, 1987 |
Inventors: | Engel; Herman J. (Philadelphia, PA) |
---|---|
Appl. No.: | 06/654,843 |
Filed: | September 26, 1984 |
Current U.S. Class: | D13/135; D26/3 |
Field of Search: | ;313/315,318,493,485 ;339/5R,57,144 R-146/ ;339/119L,26L,176L,177L,182L,184L,191L,154L,21T ;D26/1,2,3,26 ;315/56-59,63 ;D13/25 |
D153678 | May 1949 | Grubb |
D202705 | November 1965 | Morgan |
D284652 | July 1986 | Engel |
D284757 | July 1986 | Engel |
2505993 | May 1950 | Rogers |
2655623 | October 1953 | Parker |
2807710 | September 1957 | Williams |
2975386 | March 1961 | Coy et al. |
3500105 | March 1970 | Westlund, Jr. et al. |
3551736 | December 1970 | Doehner |
3611009 | October 1971 | McNeil |
3815080 | June 1974 | Summa |
4084112 | April 1978 | Hebert et al. |
4093893 | June 1978 | Anderson |
4173730 | November 1979 | Young et al. |
4270071 | May 1981 | Morton |
4347460 | August 1982 | Latessa et al. |
4375607 | March 1983 | Morton et al. |
4405877 | September 1983 | Haraden et al. |
4443778 | April 1984 | Mewissen |
4570105 | February 1986 | Engel |
Norelco Specification Sheet entitled "PL Lamp", printed in U.S.A. in Jul. 1982. . Norelco Specification Sheet entitled "PL Adapter", printed in U.S.A. in Jan. 1983.. |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.