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:
Jul. 18, 1995
Filed:
Jan. 18, 1994
David J Howe, Milford, MA (US);
Other;
Abstract
A container and a valve located thereon from which liquid substances can be dispensed wherein the container has inner and outer wall portions, one within the other, and a liquid substance positioned within one of the wall portions but not within the other wall portion. The valve has a first port communicating with the space within the one wall portion and a second port communicating with the space within the other wall portion, and a valve operator member movable between a first position simultaneously closing the first and second ports and a second position simultaneously opening the first and second ports. The valve directs incoming replacement air into one portion of the container as liquid is dispensed out from the other portion.