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:
Jun. 25, 1985
Filed:
May. 16, 1983
Applicant:
Inventor:
David A Schulman, Brooklyn Park, MN (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61H / ;
U.S. Cl.
CPC ...
128 33 ; 128 64 ; 5 60 ; 297284 ;
Abstract
A seat is described which includes provision for two support surfaces comprising a matrix having openings through which a multiplicity of support plugs extend. The support plugs are raised and lowered through the openings by the provision of a fluid inflatable bag provided within the seat below a support plate to which the plugs are connected.