U.S. patent number D291,583 [Application Number 06/761,628] was granted by the patent office on 1987-08-25 for stacking toy or the like. This patent grant is currently assigned to Dart Industries Inc.. Invention is credited to Robert F. Bateman, Rino Conti, John R. Nottingham, John R. Spirk.
United States Patent | D291,583 |
Bateman , et al. | August 25, 1987 |
Inventors: | Bateman; Robert F. (Greenville, RI), Conti; Rino (Stoughton, MA), Nottingham; John R. (Moreland Hills, OH), Spirk; John R. (Moreland Hills, OH) |
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Assignee: | Dart Industries Inc.
(Northbrook, IL) |
Appl. No.: | 06/761,628 |
Filed: | August 1, 1985 |
Current U.S. Class: | D21/471 |
Field of Search: | ;D21/59,92,64,66,104,105 ;446/69,129,236 ;D19/59 ;434/259,260 |
D117275 | October 1939 | Jenkins |
D139591 | December 1944 | Belknap |
D142322 | August 1945 | Judd |
D211164 | July 1971 | Joslyn |
D269687 | July 1983 | Nakao et al. |
Child Guidance Flier, 1959, item #10, "Ring-A-Rounds". . Sears Specialog, 1982, p. 613, item #12, "Giant Rock-A-Stack".. |
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