Portable aerobic spring floor

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Description

FIG. 1 is a perspective view of the portable aerobic spring floor showing my new design;

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

FIG. 3 is an end elevational view thereof in partially open condition, the end opposite being a mirror image; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D223488 April 1972 Tilley
D251076 February 13, 1979 Ide
D282775 February 25, 1986 Floyd
D291586 August 25, 1987 Bourret
3004623 October 1961 Nissen
3135974 June 1964 Roman
4468810 August 28, 1984 Longo
Patent History
Patent number: D325409
Type: Grant
Filed: Dec 11, 1989
Date of Patent: Apr 14, 1992
Inventor: Lana K. Edwards (Grand Junction, CO)
Primary Examiner: Charles A. Rademaker
Attorney: Terry M. Gernstein
Application Number: 7/448,598
Classifications
Current U.S. Class: D21/191