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Publication numberUSD290028 S
Publication typeGrant
Application numberUS 06/741,076
Publication dateMay 26, 1987
Filing dateJun 4, 1985
Publication number06741076, 741076, US D290028 S, US D290028S, US-S-D290028, USD290028 S, USD290028S
InventorsWilliam J. Wichman
Original AssigneeDiscovery Toys, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Marble game ramp
US D290028 S
Abstract  available in
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  1. The ornamental design for a marble game ramp, as shown and described.

FIG. 1 is a perspective view of a marble game ramp showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof.

Non-Patent Citations
1"Marble Magic" from Discovery Toys Catalog (Spring 1985).
2Bear Creek "Marble Race", Fall 1984 Catalog.
3Childcraft "Tobaga" from Childcraft, Fall 1984 Catalog.
4Childcraft Catalog, Fall-1984 p. 23, Item B Marble Runway.
5Kiddiecraft Super Helta Skelta, copied from toy box.
6Toys To Grow On "Build & Roll Raceway", Fall 1984 Catalog.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US8475226Apr 18, 2006Jul 2, 2013Q-Ba-Maze, Inc.Interconnecting modular pathway apparatus
U.S. ClassificationD21/565