U.S. patents available from 1976 to present. U.S. patent
applications available from 2005 to present.  Hemorrhoid seat
cushion  Patent 4660238 Issued on April 28, 1987. Estimated
Expiration Date: Icon_subject May 20, 2005. 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. Abstract Claims Description Full
Text  Patent References         Seat cushion Patent #: 4588229
Issued on: 05/13/1986 Inventor: Jay     No. 06/736291 filed on
05/20/1985  US Classes:  5/654, Fluent material containing
(e.g., air, water, gel)128/98.1, Perineal5/655.5, Liquid or gel
containing (e.g., water)5/909FLOWABLE VISCOUS (E.G., GEL)
MATERIAL CONTAINING   Primary: Grosz, Alexander  Attorney, Agent
or Firm  International Classes  A47C 7/02 (20060101) A47C
4/54 (20060101) A47C 4/00 (20060101) A61G 7/057 (20060101) A61F
5/01 (20060101)    This invention relate