The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 07, 1996
Filed:
Sep. 02, 1994
Applicant:
Inventors:
Takeo Abe, Tokyo, JP;
Shoji Kawamura, Tokyo, JP;
Assignee:
France Bed Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A47C / ;
U.S. Cl.
CPC ...
5451 ; 5422 ; 5470 ; 5455 ;
Abstract
A watermattress apparatus has a cushion body which is elastically compressed when a load has been exerted thereon. A case is laminated on the upper surface of the cushion body. The case has upper and lower surfaces and a receiving portion opening to the upper surface. A water bag formed of a flexible waterproof sheet and containing a liquid therein is received in the receiving portion. An envelope covers the laminated cushion body and case.