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:
Oct. 10, 1989
Filed:
Mar. 15, 1988
Applicant:
Inventor:
Douglas F Corsette, Los Angeles, CA (US);
Assignee:
Calmar Inc., Watchung, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222380 ; 222383 ; 222256 ; 222512 ; 222517 ; 1375124 ;
Abstract
A two-chamber viscous product dispenser has an internal valve element which includes integral inlet and outlet check valves for the valving of product into the pump chamber and from the pump chamber through a stationary spout. The outlet valve may be in the form of a flap valve having resilient webs for spring biasing the valve to its closed position. Otherwise, the outlet valve may be plate like capable of deforming when opening.
Corsette, Douglas. (1989). Viscous product dispenser (U.S. Patent No. 4872596). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4872596
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile