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Low impact treadmill
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Information
Patent Grant
D321734
References
Source
Patent Number
D321,734
Date Filed
Wednesday, December 6, 1989
35 years ago
Date Issued
Tuesday, November 19, 1991
33 years ago
Inventors
David J. Littrell
Timothy O. Armstrong
Paul T. Dunham
Original Assignees
PRECOR INCORPORATED
Examiners
Rademaker; Charles A.
Agents
Christensen, O'Connor, Johnson & Kindness
US Classifications
D21 - Games, toys, and sports goods
Field of Search
US
D21 191-199
272 69
272 70
272 703
Term of Grant
14Years
Information
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Abstract
Description
Claims
The ornamental design for a low impact treadmill, as shown and described.
US Referenced Citations (6)
Number
Name
Date
Kind
D289312
Trulaske et al.
Apr 1987
D291821
Kiiski
Sep 1987
D303414
Armstrong et al.
Sep 1989
D303556
Trulaske et al.
Sep 1989
D306468
Watterson
Mar 1990
D313826
Birrell et al.
Jan 1991