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 6974509 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 13, 2005

Filed:

Jun. 02, 2003
Applicants:

Koichi Hagiwara, Nagano, JP;

Masaru Yamazaki, Nagano, JP;

Yoshihiro Hirata, Nagano, JP;

Mitsuhide Hirabayashi, Nagano, JP;

Kozo Ito, Nagano, JP;

Inventors:

Koichi Hagiwara, Nagano, JP;

Masaru Yamazaki, Nagano, JP;

Yoshihiro Hirata, Nagano, JP;

Mitsuhide Hirabayashi, Nagano, JP;

Kozo Ito, Nagano, JP;

Assignee:

Kitz Corporation, Chiba-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C009/02 ;
U.S. Cl.
CPC ...
Abstract

Brass consists essentially of Cu, Sn, Bi, Fe, Ni and P in weight ratios respectively of 58.0-63.2%, 0.3-2.0%, 0.7-2.5%, 0.05-0.3%, 0.10-0.50% and 0.05-0.15% plus the balance of Zn and unavoidable impurities to exhibit excellent tolerance for dezincification, hot forgeability and machinability.


Find Patent Forward Citations

Loading…