Back rest cushion

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Description

FIG. 1 is a front and right side perspective view of a back rest cushion showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

The cross-hatching employed throughout the views is understood to represent a conventional fabric material.

Referenced Cited
U.S. Patent Documents
D282990 March 18, 1986 Sims et al.
4471993 September 18, 1984 Watson
4535495 August 20, 1985 Oldfield
4597386 July 1, 1986 Goldstein
4752982 June 28, 1988 Jones et al.
4835801 June 6, 1989 Walpin et al.
Patent History
Patent number: D308613
Type: Grant
Filed: Mar 16, 1987
Date of Patent: Jun 19, 1990
Inventors: Robert F. Clark (Rockwood, Ontario), Hugh A. Smythe (Toronto, Ontario)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Sim & McBurney
Application Number: 7/25,864
Classifications
Current U.S. Class: D/6601