U.S. patent number D270,335 [Application Number 06/284,663] was granted by the patent office on 1983-08-30 for combined digital clock and thermomeeter. Invention is credited to Philip Y. Lam.
United States Patent | D270,335 |
Lam | August 30, 1983 |
Inventors: | Lam; Philip Y. (Kowloon, HK) |
---|---|
Appl. No.: | 06/284,663 |
Filed: | July 20, 1981 |
Feb 2, 1981 [GB] | 998699 | |||
Current U.S. Class: | D10/4; D10/15; D10/2; D10/22 |
Current International Class: | D1001 |
Field of Search: | ;D10/2,4,15,22,31,33,53,57 ;368/82-84,239-242,276-279,285,281-282 ;374/142,159-162 |
D161957 | February 1951 | Newman |
D187076 | January 1960 | Anderson |
D190750 | June 1961 | Marti |
D208998 | October 1967 | Jeanrenaud |
D218119 | July 1970 | Wildgen |
D243588 | March 1977 | Ho |
D256559 | August 1980 | Cross |
D262608 | January 1982 | Drobshoff |
2032414 | March 1936 | Helbein |
3177718 | April 1965 | Stevenson |
Jeweler's Circular-Keystone-3/76-p. 59-Watch at bottom left. . Smith Metal Arts-Flyer-1977-Clock at right. . Jeweler's Circular-Keystone-9/63-p. 134-Clock at left.. |
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