Trailable skateboard ramp

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Description

FIG. 1 is a perspective view of a trailable skateboard ramp, showing my new design.

FIG. 2 is a top plan view of the erected trailable skateboard ramp.

FIG. 3 is an end view of the erected trailable skateboard ramp.

FIG. 4 is an end view of the trailable skateboard ramp in the transporting position.

Referenced Cited
U.S. Patent Documents
3892320 July 1975 Moore
Other references
  • Skateboarder, Mar., 1978, p. 52, upper right, vertical U-pipe.
Patent History
Patent number: D258460
Type: Grant
Filed: Jun 8, 1978
Date of Patent: Mar 3, 1981
Inventor: Douglas B. Firestone (San Diego, CA)
Primary Examiner: Melvin B. Feifer
Attorney: John L. Haller
Application Number: 5/913,837
Classifications
Current U.S. Class: D21/244
International Classification: D2103;