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:
Jul. 28, 2009
Filed:
May. 13, 2005
Applicants:
Takanori Kato, Amagasaki, JP;
Masahide Umino, Nara, JP;
Tomoaki Yamamoto, Nishinomiya, JP;
Inventors:
Assignee:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 38/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A railway car wheel comprises a rim having a flange and a tread portion. The tread portion contains 0.35-0.55% C and has a Vickers hardness of at least 360 and comprises a bainite structure, a tempered martensite structure, or a mixture of both.
Quick Actions:
Kato, Takanori. (2009). Railway car wheel (U.S. Patent No. 7566372). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7566372
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile