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:
Nov. 17, 2009
Filed:
Oct. 10, 2002
Applicant:
John W. Wilkinson, Bennington, VT (US);
Inventor:
John W. Wilkinson, Bennington, VT (US);
Assignee:
M.P.L. Ltd., Belize, BZ;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C 27/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
An equalizing pressure control system for connection to at least two pressure zones of a body support. The equalizing pressure control system ensures that an object will be slowly and safely lowered to a static position in the event of a sudden failure of an external pump or a supply pressure to the at least two pressure zones.