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Class Information
Number: 5/653
Name: Beds > Support for user`s body or part thereof > Removable support specially adapted for seating
Description: Subject matter comprising a portable pad or cushion with a supporting surface, which due to its support characteristics, construction, shape or size is specially adapted to support a user"s buttocks in a seated position, with the pad or cushion being removably positionable on a chair, wheelchair or similar support.










Sub-classes under this class:

Class Number Class Name Patents
5/654 Fluent material containing (e.g., air, water, gel) 333
5/654.1 With spring means (e.g., coil type) 16


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
4886800 Substituted cinnoline derivatives as CNS depressants Dec. 12, 1989
D304524 Seat bag Nov. 14, 1989
4864668 Portable back support Sep. 12, 1989
4863003 Combination seat cushion tote bag Sep. 5, 1989
4854637 Seat cushion back pack Aug. 8, 1989
4847933 Support pad for nonambulatory persons Jul. 18, 1989
4849046 Method of producing outer cushion layer of seatback Jul. 18, 1989
4843662 Two person seat case Jul. 4, 1989
4837881 Seat cushion with portions with different compression characteristics Jun. 13, 1989
4826242 Stadium chair garment May. 2, 1989
4824174 Seating device Apr. 25, 1989
4824169 Orthopedic seat Apr. 25, 1989
4819286 Stiffener for dry flotation cushions used in wheelchairs Apr. 11, 1989
4819288 Cushions Apr. 11, 1989
4803118 Composite cushion Feb. 7, 1989
4783120 Seat cushion Nov. 8, 1988
4753482 Customized modular seating system Jun. 28, 1988
4753480 Pad assembly for wheelchairs Jun. 28, 1988
4744351 Medical support May. 17, 1988
4726086 Composite foam seat cushion and method of preparation Feb. 23, 1988
4718727 Reversible seat cushion and backrest Jan. 12, 1988
D293286 Seat cushion Dec. 22, 1987
4713854 Constant force cushion Dec. 22, 1987
4709431 Dual crowned hemorrhoid support seat cushion Dec. 1, 1987
4682818 Pressure distribution pad assembly for wheelchairs Jul. 28, 1987
4673216 Basic lotus posture comfort seat Jun. 16, 1987
4670925 Process for the production of a cushion for a seat or the back for a motor vehicle or the like comprising two layers of foamed material with different properties and cushion prepared by the pr Jun. 9, 1987
D289481 Sacrum cushion Apr. 28, 1987
4646374 Orthotic sling seat cushion Mar. 3, 1987
4643481 Seat system for preventing decubiti Feb. 17, 1987
4630863 Portable seat Dec. 23, 1986
4629246 Wheelchair seat Dec. 16, 1986
4615856 Method for forming an individually contoured corrective seat for a wheelchair Oct. 7, 1986
4604987 Heated stadium cushion Aug. 12, 1986
4603444 Convertible furniture apparatus Aug. 5, 1986
D283771 Stadium cushion May. 13, 1986
4571763 Cushion member for a vehicle seat Feb. 25, 1986
4544598 Seat cushion with a textile cover Oct. 1, 1985
4533050 Cushioned container Aug. 6, 1985
4524762 Seat having movable supporting surfaces Jun. 25, 1985
4522447 Foam seat and back cushions Jun. 11, 1985
D278779 Invalid seat cushion May. 14, 1985
D276954 Combined bingo bag kit and seat pad Jan. 1, 1985
4463465 Fire blocking systems for aircraft seat cushions Aug. 7, 1984
4441271 Combination portable seat cushion and pennant Apr. 10, 1984
4416462 Removeable cushion for a shopping cart Nov. 22, 1983
4405681 Foam article and method of preparation Sep. 20, 1983
4403356 Seat cushions Sep. 13, 1983
4394783 Body cushion Jul. 26, 1983
4388358 Adaptive support system Jun. 14, 1983

1 2 3 4 5 6 7










 
 
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