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:
May. 15, 2001
Filed:
Jul. 22, 1996
Robert Mack, Flemington, NJ (US);
James C. McKinney, Cranbury, NJ (US);
Kenneth R. Berger, Flemington, NJ (US);
Colgate-Palmolive Company, New York, NY (US);
Abstract
The dual chamber dispenser consists of two tubular chambers each of which is connected to a pump. The pumps are self-priming and are of a type that draw the substances from the tubular chambers. There is an activator which also serves as the top of the dispenser, side view apertures, a foot for better stability and a spout that is angled for enhanced dispensing. The side view apertures allow for viewing the fill level of the tubular chambers. The pumps are of a type having an upper valve and a lower valve, with the upper valves a part of the piston's that move in and out of the pumping chambers. The valves in said pumps are positive closing by means of a biasing spring. The substances to be dispensed are maintained separate, one from the other, until the substances are dispensed.