Fluid filled pressure compensation pad for use in a seat cushion

- Invacare Corporation
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Description

FIG. 1 is a top plan view of a new design for a fluid filled pressure compensation pad for use in a seat cushion;

FIG. 2 is a bottom plan view;

FIG. 3 is a short side elevational (or edge) view, the opposite short side view being a reverse mirror image thereof; and,

FIG. 4 is a long side elevational (or edge) view, the opposite long side view being a reverse mirror image thereof.

Referenced Cited
U.S. Patent Documents
4768247 September 6, 1988 Beier
5352023 October 4, 1994 Jay et al.
5378045 January 3, 1995 Sickman et al.
Patent History
Patent number: D413750
Type: Grant
Filed: Apr 28, 1998
Date of Patent: Sep 14, 1999
Assignee: Invacare Corporation (Elyria, OH)
Inventor: Julius E. Nachod, III (Lakewood, OH)
Primary Examiner: Janice E. Seeger
Law Firm: Hudak & Shunk Co., L.P.A.
Application Number: 0/87,351
Classifications
Current U.S. Class: D/6601
International Classification: 0609;