Protective seat cushion
Patent 4842330 Issued on June 27, 1989. Estimated Expiration Date: 
September 26, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 26, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1468072 2621327 2888976 3093407 3259425 3689949 Comfort support seat cushion assembly Seat system for preventing decubiti Patent #: 4643481 InventorAssigneeApplicationNo. 07/249593 filed on 09/26/1988US Classes:297/4, PORTABLE BOTTOM WITH OCCUPANT ATTACHER297/452.22, Planar bottom with a central recess297/452.41Having fluent materialExaminersPrimary: Zugel, Francis K.Attorney, Agent or FirmInternational ClassesA61G 5/00 (20060101)A61G 5/10 (20060101) AbstractA light-weight, low-profile seat cushion is attached to a body engaging sling. The cushion includes a foam base having a dished out central portion, and an envelope, partially filled with fluid, positioned over the dished out portion of the base. In the preferred embodiment, a self-supporting back support is attached to the rear of the seat cushion.Field of SearchPORTABLE BOTTOM WITH OCCUPANT ATTACHER | |
