U.S. patent number D304,162 [Application Number 06/913,221] was granted by the patent office on 1989-10-24 for computer controlled time clock with fold-up keyboard. This patent grant is currently assigned to Cincinnati Time, Inc.. Invention is credited to Durward W. Calkins.
United States Patent | D304,162 |
Calkins | October 24, 1989 |
Inventors: | Calkins; Durward W. (Cincinnati, OH) |
---|---|
Assignee: | Cincinnati Time, Inc.
(Cincinnati, OH) |
Appl. No.: | 06/913,221 |
Filed: | September 26, 1986 |
Current U.S. Class: | D10/41 |
Field of Search: | ;D14/100-117 ;D10/40,41 ;D18/1,7,11,12,2,5,6 ;235/145A,145R,375,376,482 ;340/700,706,711,712 ;400/682,677,472,489,492,496,676 ;364/130,143,144,145,146,189,200,401,706,707,406,708,709,710 ;368/68,69,107,110-113,223 ;346/20,47,80 |
D254195 | February 1980 | Genaro et al. |
D263707 | April 1982 | Fukushima et al. |
D276220 | November 1984 | Witts et al. |
D277170 | January 1985 | Sugiyama et al. |
D298921 | December 1988 | Berry, Sr. et al. |
3775752 | November 1973 | Lorenzo |
4170015 | October 1979 | Elliano et al. |
4270043 | May 1981 | Baxter et al. |
4300040 | November 1981 | Gould et al. |
Brochure, Seiko Quartz System Clocks (16.8d/Sei.). . Brochure, Philips Time Master (002484083.0/3). . Brochure, Datachron. . Instruction Manual, Stromberg EPR 200 (7/25/84 pp. 1.1 and 2.1).. |
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