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. 04, 1990
Filed:
Nov. 27, 1989
Applicant:
Inventors:
Toshiyuki Hoshino, Chiba, JP;
Nobuhisa Tabata, Chiba, JP;
Isao Machida, Wako, JP;
Masayoshi Saga, Wako, JP;
Takeshi Takagi, Wako, JP;
Assignees:
Honda Gikan Kogyo Kabushiki Kaisha, Tokyo, JP;
Kawasaki Steel Corp., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420104 ; 420105 ; 420128 ; 420123 ;
Abstract
A carbon steel useful for machine structural use having improved cold forgability and induction hardenability comprises particular amounts of C, Si, Mn, Cr, S, P, O, N or further Mo and the balance being substantially Fe.