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. 04, 1985
Filed:
Apr. 28, 1982
Applicant:
Inventor:
William E Phillips, Van Nuys, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04B / ; F04B / ; A47C / ;
U.S. Cl.
CPC ...
417478 ; 5454 ; 92 48 ; 92 92 ;
Abstract
An air pump includes a number of inflatable chambers forming a closed container which defines a pumping chamber. The container is fitted with one-way inlet and outlet valves to effectuate the pumping operation. In one embodiment, the container is cylindrical with seven to nine longitudinal air chambers forming the walls of the chamber. The ends of the cylindrical container are fitted with the inlet and outlet valves. Also disclosed is a method of making and of using such a pump.