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Class Information
Number: 297/452.26
Name: Chairs and seats > Bottom or back > Contoured bottom > Laterally extending contour > Preshaped foam pad
Description: Device in which the bottom is a preshaped contoured surface made of cushioning material; e.g., foam rubber.

Sub-classes under this class:

Class Number Class Name Patents
297/452.27 Different densities of foam 118

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
5233711 Cushion body and method of forming same Aug. 10, 1993
5123699 Portable, customized patient support system with detachable bottom back and side cushions and method of using Jun. 23, 1992
5105489 Device and methodology for correcting scoliosis Apr. 21, 1992
5092655 Vehicle seat, especially an air passenger seat Mar. 3, 1992
5018790 Customized seat cushion May. 28, 1991
4912788 Seat pad for invalid patients Apr. 3, 1990
4893873 Seat cushion assembly Jan. 16, 1990
4824169 Orthopedic seat Apr. 25, 1989
4772070 Contoured seat covering for automotive vehicle bench seat Sep. 20, 1988
4753482 Customized modular seating system Jun. 28, 1988
4718727 Reversible seat cushion and backrest Jan. 12, 1988
4673216 Basic lotus posture comfort seat Jun. 16, 1987
4643481 Seat system for preventing decubiti Feb. 17, 1987
4607887 Encapsulated bolster Aug. 26, 1986
4582362 Seat-equipped nursing implement Apr. 15, 1986
4579388 Seat Apr. 1, 1986
4377308 Asymmetrical anatomic arm-chair, particularly for odontological use Mar. 22, 1983
4337931 Spring base for upholstered seating Jul. 6, 1982
4197342 Trim pads for vehicle seats Apr. 8, 1980
4191424 Support grid for upholstered seating Mar. 4, 1980
4164798 Seat cushion Aug. 21, 1979
4132228 Comfort support seat cushion assembly Jan. 2, 1979

1 2

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