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:
Nov. 11, 1986
Filed:
Oct. 14, 1983
Applicant:
Inventors:
John N Hansson, Chagrin Falls, OH (US);
Herbert L Johns, Madison, OH (US);
Assignee:
Corning Glass Works, Corning, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B43K / ; B43K / ; C04B / ;
U.S. Cl.
CPC ...
401215 ; 501103 ; 501104 ; 501105 ;
Abstract
A liquid transfer ball formed from sintered zirconium oxide particles which exhibits utility as the ball element of a ball pen writing instrument to transfer ink from an ink reservoir to a writing surface such as paper. The ball exhibits a porosity of less than 8% by volume and is immune to corrosive action of inks.