Patent
   D335235
Priority
Sep 26 1990
Filed
Sep 26 1990
Issued
May 04 1993
Expiry
May 04 2007
Assg.orig
Entity
unknown
22
5
n/a
The ornamental design for a wheelchair cushion, as shown and described.

FIG. 1 is a top, front, and left side perspective view of a wheelchair cushion showing my new design, the broken-line disclosure of a wheelchair being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a front elevational view thereof;

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.

Hildreth, Tommye C.

Patent Priority Assignee Title
5317773, Feb 20 1992 ROHO, INC Waterblown foam base
5352023, Sep 16 1992 SUNRISE MEDICAL US LLC Seating and back systems for a wheelchair
5442823, Jan 06 1993 Invacare Corporation Wheelchair cushion utilizing foams of different stiffnesses
5461741, Feb 20 1992 ROHO, INC Modular cushion construction with foamed base
5524971, Sep 16 1992 Sunrise Medical HHG Inc Seating and back systems for a wheelchair
5551107, Feb 20 1992 ROHO, INC Modular cushion construction with detachable pommel, having a cover with front and rear openings
5561875, Feb 20 1992 ROHO, INC Vacuum/heat formed cushion supported on a fluid permeable manifold
5592707, Sep 16 1992 Sunrise Medical HHG Inc Seating system with pressure relieving pad
5596781, Feb 02 1992 ROHO, INC Vacuum/heat formed cushion with pyramidal, inflatable cells
5613257, Feb 20 1992 ROHO, INC Modular cushion construction with detachable pommel
5647637, Sep 16 1992 Sunrise Medical HHG Inc Seating and back systems for a wheelchair
5647829, Apr 25 1995 Abdominal exercise apparatus and method
5671977, Sep 16 1992 SUNRISE MEDICAL US LLC Seating and back systems for a wheelchair
6866337, Nov 05 2003 Protective cover for a wheelchair
6901617, May 06 2002 Roho, Inc. Multi-layer cushion and cover
7140057, Jul 28 2003 SUNRISE MEDICAL US LLC Reinforced and adjustable contoured seat cushion and method of reinforcing and adjusting the contoured seat cushion
7216388, Jul 28 2003 SUNRISE MEDICAL US LLC Contoured seat cushion and method for offloading pressure from skeletal bone prominences and encouraging proper postural alignment
7373678, Jul 28 2003 SUNRISE MEDICAL US LLC Seat cushion with adjustable contour and method of adjusting the contour of a seat cushion
8104429, Nov 07 2008 Pet impact protector
8739336, May 06 2012 Inclined body positioning and support system
D342411, Feb 20 1992 ROBERT H GRAEBE REVOCABLE TRUST, DATED 7 14 97; ROBERT H GRAEBE REVOCABLE TRUST Seat cushion
D463701, Oct 19 2001 Roho, Incorporated Seat cushion
Patent Priority Assignee Title
4193150, Aug 04 1977 Elevated mattress
4635306, Jan 22 1985 ARONLD ROSE L ; RAFTER NED M Multi-position therapy cushions
4712833, Oct 16 1986 Swanson Brothers, Inc. Seat cushion for preventing slouching of an infant or weakened adult
D266549, Jul 29 1980 Prenatal support pillow
D279531, Mar 07 1983 CORFLEX, INC Pillow or similar article
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 12 1990HILDRETH, TOMMYE C BIOTECH LTD , INC ASSIGNMENT OF ASSIGNORS INTEREST 0054660495 pdf
Sep 26 1990Biotech Ltd., Inc.(assignment on the face of the patent)
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