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.:

US 7757968 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 20, 2010

Filed:

Aug. 02, 2004
Applicant:

Maurizio Bistolfi, San Giuliano Vecchio, IT;

Inventor:

Maurizio Bistolfi, San Giuliano Vecchio, IT;

Assignee:

Guala Dispensing S.p.A., Alessandria, IT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D 37/00 (2006.01); B65D 88/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

A trigger dispensing device for the concurrent dispensing of two or more fluids separately kept in a tank is disclosed. The dispensing device comprises a deformable elastic membrane whose pumping elements can be affected by a trigger for dispensing fluids. Membrane is held in position between a frame and a counter frame, whereas trigger is hinged to an arm of the counter frame. The device is provided with a delivery valve and with a check valve integrated in the membrane. The device is adapted for the concurrent dispensing of two or more fluids and is provided with a structure comprising a reduced number of components.


Find Patent Forward Citations

Bistolfi, Maurizio. (2010). Dispensing device (U.S. Patent No. 7757968). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7757968

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