Exercise step for aerobic exercise

- The Firm, Inc.
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Description

FIG. 1 is a front right perspective view illustrating an exercise step for aerobic exercise showing my new design;

FIG. 2 is a rear left side elevational view thereof, the broken line showing of the leg is for illustrative purposes only, and forms no part of the claimed design;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D225710 January 1973 McIntosh
D240871 August 1976 Herman
D244657 June 14, 1977 Laurenzi
D286345 October 28, 1986 Stanislawski, Jr. et al.
D373394 September 3, 1996 Jacobs
4191113 March 4, 1980 Hogberg
5226865 July 13, 1993 Chin
Patent History
Patent number: D424123
Type: Grant
Filed: Feb 29, 1996
Date of Patent: May 2, 2000
Assignee: The Firm, Inc. (Columbia, SC)
Inventor: Mark S. Henriksen (Columbia, SC)
Primary Examiner: Sandra L. Morris
Attorney: Ralph Bailey
Application Number: 0/50,930
Classifications
Current U.S. Class: D21/191; D6/349; D6/485; D6/488
International Classification: 2102;