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.:

US 9441695 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 13, 2016

Filed:

Jan. 09, 2015
Applicant:

Kobe Steel, Ltd., Kobe-shi, JP;

Inventors:

Tomoko Sugimura, Kobe, JP;

Sei Kimura, Kakogawa, JP;

Koichi Sakamoto, Kobe, JP;

Atsuhiko Yoshida, Kobe, JP;

Takeshi Inoue, Kobe, JP;

Assignee:

Kobe Steel, Ltd., Kobe-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/00 (2006.01); C22C 38/02 (2006.01); F16F 1/02 (2006.01); C21D 7/04 (2006.01); C21D 7/06 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/08 (2006.01); C22C 38/12 (2006.01); C22C 38/18 (2006.01); C22C 38/24 (2006.01); C22C 38/34 (2006.01); C22C 38/40 (2006.01); C22C 38/46 (2006.01); C22C 38/28 (2006.01); C22C 38/44 (2006.01);
U.S. Cl.
CPC ...
F16F 1/021 (2013.01); C21D 7/04 (2013.01); C21D 7/06 (2013.01); C22C 38/002 (2013.01); C22C 38/005 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/08 (2013.01); C22C 38/12 (2013.01); C22C 38/18 (2013.01); C22C 38/24 (2013.01); C22C 38/28 (2013.01); C22C 38/34 (2013.01); C22C 38/40 (2013.01); C22C 38/44 (2013.01); C22C 38/46 (2013.01); C21D 2211/004 (2013.01);
Abstract

High cleanliness spring steel useful in manufacturing a spring with SiO-based inclusions being extremely controlled and excellent in fatigue properties is provided. High cleanliness spring steel which is steel containing;


Find Patent Forward Citations

Sugimura, Tomoko. (2016). High cleanliness spring steel and high cleanliness spring excellent in fatigue properties (U.S. Patent No. 9441695). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9441695

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