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. 16, 1985
Filed:
Sep. 06, 1983
Applicant:
Inventors:
Martin E Wacha, Beloit, WI (US);
Jerry W Digney, Janesville, WI (US);
Assignee:
The Parker Pen Company, Janesville, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K / ; B43K / ;
U.S. Cl.
CPC ...
401117 ; 401 91 ; 401116 ;
Abstract
A two-part barrel sleeve includes an internal spring finger which rides in a spiral groove in the combined ink reservoir and barrel of a ball pen, the spiral groove having a detent at its rear end to provide a snap-action as the barrel sleeve is retracted to its rearmost position exposing the writing tip for normal use.