Stair climbing exercise apparatus

- Precor Incorporated
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Description

FIG. 1 is a front perspective view of a stair climbing exercise apparatus showing our new design;

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

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Referenced Cited
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Patent History
Patent number: D304358
Type: Grant
Filed: Oct 21, 1987
Date of Patent: Oct 31, 1989
Assignee: Precor Incorporated (Bothell, WA)
Inventors: Timothy O. Armstrong (Bellevue, WA), John W. Bull (Irvine, CA), David B. Smith (Bellevue, WA)
Primary Examiner: Charles A. Rademaker
Law Firm: Christensen, O'Connor, Johnson & Kindness
Application Number: 7/109,103
Classifications
Current U.S. Class: D21/195