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:
Sep. 02, 2003
Filed:
Aug. 16, 2001
Applicant:
Inventors:
Assignee:
Braun GmbH, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 4/300 ;
U.S. Cl.
CPC ...
F04B 4/300 ;
Abstract
A pumping device for drawing in and delivering a liquid to a liquid dispensing device of a hair removing apparatus the pumping device includes a pump inlet and a pump outlet and a pumping element. The pumping device is formed by a first and a second housing part each having integrally formed therein a first and a second flow channel. The pumping device includes a membrane member disposed between the first and the second housing part the membrane member includes a pumping element and at least one valve element. The pump inlet is adapted to be coupled to a liquid dispensing device and the pump outlet to a liquid container.