Marble game ramp

Details Marble game ramp Marble game ramp

1985-06-04

1987-05-26

Rademaker, Charles A.

Games, toys, and sports goods

Toy

Representation or scale model

D21143

Patent

active

D02900289

REFERENCES:
patent: D208789 (1967-10-01), Kuhn
patent: D230291 (1974-02-01), Karen
patent: D233057 (1974-10-01), Irvine
patent: 1274979 (1918-08-01), Bliley
patent: 2838870 (1958-06-01), Morse
patent: 3092928 (1963-06-01), Geiser
patent: 3101946 (1963-08-01), Ebert
patent: 3464700 (1969-09-01), Clatterbuck
patent: 3946516 (1976-03-01), Wirth
Childcraft Catalog, Fall-1984 p. 23, Item B Marble Runway.
"Marble Magic" from Discovery Toys Catalog (Spring 1985).
Kiddiecraft Super Helta Skelta, copied from toy box.
Childcraft "Tobaga" from Childcraft, Fall 1984 Catalog.
Toys To Grow On "Build & Roll Raceway", Fall 1984 Catalog.
Bear Creek "Marble Race", Fall 1984 Catalog.

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