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. 29, 1985
Filed:
Jun. 02, 1983
Applicant:
Inventors:
Isao Tanaka, Aichi, JP;
Takao Inaba, Aichi, JP;
Assignee:
Pilot Ink Co., Ltd., Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B43K / ; B43K / ;
U.S. Cl.
CPC ...
401206 ; 401198 ; 401199 ;
Abstract
A writing pen wherein a valve element is operated to supply a writing nib held in a pen holder with ink from an ink reservoir is disclosed. The pen is characterized by having an ink guide stem between the writing nib and the valve element and a small ink-retaining space that is provided at least between the rear end of the nib and the front end of the ink guide stem.