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:
Aug. 24, 2010
Filed:
Mar. 20, 2007
Applicant:
Samuel Pruvot, Saint Etienne du Vauvray, FR;
Inventor:
Samuel Pruvot, Saint Etienne du Vauvray, FR;
Assignee:
Valois S.A.S., Le Neubourg, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fluid dispenser pump having: a pump body; a pump chamber; at least a first piston that slides in the pump chamber between a rest position and an actuated position so as to dispense the fluid; and a dispenser orifice; the pump chamber including an inlet valve that separates the pump chamber from a channel that extends towards a fluid reservoir, a bypass being provided between the channel and the pump chamber, the bypass being disposed upstream from the inlet valve, the bypass connecting the pump chamber to the reservoir when the piston is in its actuated position.