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:
Apr. 22, 1997
Filed:
Jun. 12, 1995
Applicant:
Inventor:
David E Boring, East Berlin, PA (US);
Assignee:
Sonoco Products Company, Hartsville, SC (US);
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
222327 ; 222386 ;
Abstract
A cartridge tube and plunger wherein the skirt of the plunger includes a ridge pattern of a generally uniform compressibility with staggered areas of greater rigidity defined by intersecting ridges for intimate accommodation within interior surface irregularities on the cartridge tube.