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. 21, 1993
Filed:
Nov. 06, 1992
Applicant:
Inventors:
Hirofumi Tabata, Kamisumachi, JP;
Akio Takamatsu, Kamisumachi, JP;
Assignee:
Petoca Ltd., Tokyoto, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G / ;
U.S. Cl.
CPC ...
428364 ; 428362 ; 428367 ; 264 292 ; 4234471 ; 4234472 ;
Abstract
Pitch-based carbon fiber having from 2 to 200 twists per 1 cm length or from 2 to 200 twists per 1 cm length and curls are provided. These fibers show superior properties as carbon fibers useful for non-woven fabrics or for fabrics.