Orthopedic chair seat

Description

FIG. 1 is a perspective view of an orthopedic chair seat, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view, as seen when in use;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view, as seen when in use; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D197643 March 1964 Kramer
D202550 October 1965 Kramer
D220388 April 1971 Kramer
D255184 June 3, 1980 Locher
Foreign Patent Documents
667316 February 1952 GBX
Other references
  • Interiors, Nov., 1962, p. 123, chair in top left corner of page.
Patent History
Patent number: D307221
Type: Grant
Filed: Mar 2, 1987
Date of Patent: Apr 17, 1990
Inventor: William E. Mudge (Hudson, WI)
Primary Examiner: Carmen H. Vales-Lado
Assistant Examiner: Schon C. Oppert
Law Firm: Kinney & Lange
Application Number: 7/20,673
Classifications
Current U.S. Class: D/6502; D/6375; 297/457