U.S. patent number D289,484 [Application Number 06/665,536] was granted by the patent office on 1987-04-28 for double-wall insulated tumbler. Invention is credited to William F. Forquer, Dolores V. Parker.
United States Patent | D289,484 |
Forquer , et al. | April 28, 1987 |
Inventors: | Forquer; William F. (Venice, FL), Parker; Dolores V. (Venice, FL) |
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Appl. No.: | 06/665,536 |
Filed: | October 26, 1984 |
Current U.S. Class: | D7/532 |
Field of Search: | ;D7/6,11-15 |
D71042 | September 1926 | Atterholt |
D108957 | March 1938 | Kelly |
D157491 | February 1950 | Heintze |
D177559 | May 1956 | Emmert |
1968263 | July 1934 | Reuther |
3269144 | August 1966 | Poris |
It's All At Woodies Cat., (Sunday Jun. 5, 1977, supplement to Wash. Star), p. 6, item 6B, top left, Tumbler, "Thermo-Serv.".. |
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