Adjustable exercise step for aerobic exercise

- The Firm, Inc.
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Description

FIG. 1 is an upper side perspective view of an adjustable step for aerobic exercise showing my new design;

FIG. 2 is a bottom side perspective view showing my new design; and

FIG. 3 is a side elevational view thereof;

FIG. 4 is a bottom plan view of the top member with the ribs outside showing my new design; and,

FIG. 5 is a top plan view of the base with the ribs inside thereof.

Referenced Cited
U.S. Patent Documents
D213552 March 1969 Hall
D269309 June 14, 1983 Pickler
D347868 June 14, 1994 Hill
D360664 July 25, 1995 Stone
5050861 September 24, 1991 Thomas et al.
5118095 June 2, 1992 Flor
5154678 October 13, 1992 Adamczk et al.
5290210 March 1, 1994 Hand et al.
Patent History
Patent number: D385317
Type: Grant
Filed: Sep 23, 1994
Date of Patent: Oct 21, 1997
Assignee: The Firm, Inc. (Columbia, SC)
Inventor: Mark S. Henriksen (Columbia, SC)
Primary Examiner: Philip S. Hyder
Attorney: Ralph Bailey
Application Number: 0/28,868
Classifications
Current U.S. Class: D21/191
International Classification: 2102;