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:
Aug. 07, 1990
Filed:
Mar. 28, 1989
Applicant:
Inventors:
Kunio Namiki, Nagoya, JP;
Atsuyoshi Kumura, Kuwana, JP;
Sukehisa Niwa, Tokorozawa, JP;
Toshihiko Matsubara, Kawagoe, JP;
Assignees:
Daido Tokushuko Kabushiki Kaisha, both of, JP;
Honda Giken Kogyo Kabushiki Kaisha, both of, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
420 84 ; 420104 ; 148333 ;
Abstract
A steel composition for gears, consisting of: 0.10-0.30% by weight of C; less than 0.15% by weight of Si; no more than 1.5% by weight of Mn; no more than 0.015% by weight of P; no more than 0.005% by weight of S; 0.50-1.50% by weight of Cr; 0.005-0.06% by weight of Pb; and the balance being Fe and inevitably included impurities.
Namiki, Kunio. (1990). Steel for gears, having high strength, toughness and machinability (U.S. Patent No. 4946645). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4946645
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile