Construction units, some with corresponding pinion wheels mounte

Details Construction units, some with corresponding pinion wheels mounte Construction units, some with corresponding pinion wheels mounte

1974-08-05

1976-06-29

Shay, F. Barry

35 13, 46 30, 46 25, A63H 3304

Patent

active

039656101

ABSTRACT:
A toy comprising a base and means on the base rotatably mounting a plurality of pinion wheels in interengaging relationship one with another so that different patterns of the pinion wheels may be created.

REFERENCES:
patent: 2692443 (1954-10-01), Milligan
patent: 2871619 (1959-02-01), Walters
patent: 2994154 (1961-08-01), McCaa
patent: 3193293 (1965-07-01), Schaper
patent: 3212200 (1965-10-01), Lundberg
patent: 3461600 (1969-08-01), Kristiansen
patent: 3484983 (1969-12-01), Fischer
patent: 3513587 (1970-05-01), Fischer
patent: 3623261 (1971-11-01), Freese
patent: 3852909 (1974-12-01), Viebcke

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