Artificial ski surface unit

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Description

FIG. 1 is a top plan view of an artificial ski surface unit showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof; and

FIG. 6 is a view of the other side thereof.

Referenced Cited
U.S. Patent Documents
3443493 May 1969 Del Piano et al.
3959542 May 25, 1976 Livermore
Patent History
Patent number: D260107
Type: Grant
Filed: May 24, 1979
Date of Patent: Aug 4, 1981
Assignee: Port-a-Slope Corporation (Anaheim, CA)
Inventor: Gerald E. Mittmann (Anaheim, CA)
Primary Examiner: Melvin B. Feifer
Attorney: Grover A. Frater
Application Number: 6/42,095
Classifications
Current U.S. Class: D21/244; 272/565SS
International Classification: D2103;