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. 27, 1990
Filed:
Oct. 03, 1989
Applicant:
Inventor:
Ken Nakano, Tokyo, JP;
Assignee:
Tsukasa Felt Shoji Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K / ; B43K / ;
U.S. Cl.
CPC ...
401199 ; 401265 ;
Abstract
A stick-like writing nib, made of a synthetic resin, has a plurality of narrow slit-like first ink passages extending radially from the axis in sectional profile and a plurality of narrow slit-like second ink passages provided in sector-like areas in sectional profile defined by walls the first ink passage, which are defined by a plurality of walls extending parallel to a line bisecting an angle subtended by the sector-like area into two angels, and inner end portions of the first ink passages being defined by thin walls extending along the nib axis.