Physical exercise stool

Description

FIG. 1 is a perspective view of a physical exercise stool showing my new design;

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

FIG. 3 is a front elevational view thereof, the side opposite being a mirror image;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D250860 January 23, 1979 Castro
D276669 December 11, 1984 Petersson
3604023 September 1971 Lynch
Other references
  • O.R. Positioners, 12-1982, item #4816, leg rest at center left side of p. 2.
Patent History
Patent number: D327718
Type: Grant
Filed: Oct 19, 1989
Date of Patent: Jul 7, 1992
Assignee: Johann Kofler (Langenfeld)
Inventor: Georg Kofler (Langenfeld)
Primary Examiner: Charles A. Rademaker
Law Firm: Wenderoth, Lind & Ponack
Application Number: 7/424,364
Classifications
Current U.S. Class: D21/191