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:
Jan. 02, 2001
Filed:
Jan. 26, 1999
Applicant:
Inventors:
Horst Thost, Buckenhof, DE;
Horst Kolb, Kalchreuth, DE;
Assignee:
J. S. Staedtler GmbH & Co., N{umlaut over (u)}rnberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B43K 7/10 ; B43K 7/08 ;
U.S. Cl.
CPC ...
B43K 7/10 ; B43K 7/08 ;
Abstract
A ballpoint pen in which ink is freely received in the shaft of the ballpoint pen or is received in a cartridge includes a supply wick, a compensating body and a writing tip with a ball, wherein the ball is fastened and rotatably mounted in a tube, and wherein the tube has a continuous ink duct. The ink duct of the ballpoint pen is constructed as a free throughbore and does not have any additional core bodies or ink conductors, and the supply wick extends axially completely through the compensating body in the area of the compensating chambers formed in the compensating body.