Roller skate

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Description

FIG. 1 is a perspective view of a roller skate showing our new design;

FIG. 2 is a side elevational view thereof, the side opposite being a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a perspective view of a modified embodiment of the design shown in FIGS. 1 through 6;

FIG. 8 is a side elevational view thereof, the side opposite being a mirror image;

FIG. 9 is a top plan view thereof; and,

FIG. 10 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D238286 December 1975 Ochi
3829111 August 1974 Nicholls
3900203 August 1974 Kukulowicz
Other references
  • Form, 11-1979, p. 45, Roller Skate at bottom of page, right corner.
Patent History
Patent number: D301908
Type: Grant
Filed: May 27, 1987
Date of Patent: Jun 27, 1989
Assignee: North American Sports Training Corporation (Minneapolis, MN)
Inventors: Brennan J. Olson (Eden Prairie, MN), Charles R. Frigard (Deephaven, MN)
Primary Examiner: Charles A. Rademaker
Law Firm: Moore & Hansen
Application Number: 7/51,713
Classifications
Current U.S. Class: D21/226