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United States Patent D290,028
Wichman May 26, 1987

Marble game ramp


The ornamental design for a marble game ramp, as shown and described.
Inventors: Wichman; William J. (Glendora, CA)
Assignee: Discovery Toys, Inc. (Pleasant Hill, CA)
Appl. No.: 06/741,076
Filed: June 4, 1985

Current U.S. Class: D21/565
Field of Search: D24/4,5 443/97 D21/59,143,12,19 446/168,170,171,173

References Cited

U.S. Patent Documents
D208789 October 1967 Kuhn
D230291 February 1974 Karen
D233057 October 1974 Irvine
1274979 August 1918 Bliley
2838870 June 1958 Morse
3092928 June 1963 Geiser
3101946 August 1963 Ebert
3464700 September 1969 Clatterbuck
3946516 March 1976 Wirth
Foreign Patent Documents
1405105 Jul., 1975 GB

Other References

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..

Primary Examiner: Rademaker; Charles A.
Attorney, Agent or Firm: Townsend and Townsend


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.

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