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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.
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 |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 12 1990 | HILDRETH, TOMMYE C | BIOTECH LTD , INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005466 | /0495 | |
Sep 26 1990 | Biotech Ltd., Inc. | (assignment on the face of the patent) | / |
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