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:
Dec. 02, 1986
Filed:
Sep. 24, 1984
Applicant:
Inventors:
Assignee:
Pentel Kabushiki Kaisha, Nihonbashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K / ; B43K / ; B43K / ;
U.S. Cl.
CPC ...
401260 ; 401199 ; 401264 ;
Abstract
A writing instrument having a needle-like longitudinal writing nib, longitudinally slidably positioned in a nib holder pipe. The writing nib has flex portions and/or a flattened portion, for facilitating a longitudinal movement thereof when a writing pressure is added.