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.

Date of Patent:
Aug. 20, 1985

Filed:

Nov. 08, 1983
Applicant:
Inventors:

Charles P Kiricoples, Salem, MA (US);

Henry Behrens, Topsfield, MA (US);

Robert L Brown, Hingham, MA (US);

Assignee:

The Gillette Company, Boston, MA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K / ; B43K / ;
U.S. Cl.
CPC ...
401209 ; 401151 ; 401210 ; 401217 ; 401230 ;
Abstract

A ball-point writing instrument in which dislodging of the rotating ball as a result of accidental droppage on a hard surface is prevented by employing an ink reservoir construction designed to prevent propagation of a travelling pressure step in the column of ink above the rotating ball.


Find Patent Forward Citations

Kiricoples, Charles. (1985). Writing instrument with ball point and two reservoirs (U.S. Patent No. 4536099). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4536099

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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