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. 05, 1990
Filed:
Jun. 15, 1988
Applicant:
Inventor:
Murray Hunter, Balmain, AU;
Assignee:
Jackel International Pty. Ltd., Rydalmere, AU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47C / ; F04B / ;
U.S. Cl.
CPC ...
5454 ; 417479 ;
Abstract
An air mattress incorporating within it a pump having a variable volume chamber formed by a flexible sheeting material, located within the chamber is a block of foam material which biases the chamber to its maximum volume, an air outlet incorporating a one way valve restricts air to move outwardly from within the chamber, while an air inlet is maintained clear during a pumping operation and is selectively closed by the hand of the operator.