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. 10, 1988
Filed:
Aug. 27, 1986
Applicant:
Inventor:
William T Wilkinson, Chadds Ford, PA (US);
Assignee:
Package Research, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
222162 ; 222386 ; 222405 ; 222562 ;
Abstract
A dispenser for flowable materials such as toothpaste includes a hollow barrel in the form of a cylinder open at its lower end and closed at its upper end with the flowable material being inserted in the cylinder. A plunger, which is also in the form of a hollow cylinder open at its lower end and closed at its upper end is telescopically arranged in the cylinder so that upon telescopic movement of the plunger in the barrel, flowable material is dispensed from a spout at the upper portion of the barrel.