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. 03, 2012
Filed:
Aug. 26, 2011
Applicants:
Mahesh K. Cheerla, Howell, MI (US);
Robert O. Learmont, Howell, MI (US);
Inventors:
Mahesh K. Cheerla, Howell, MI (US);
Robert O. Learmont, Howell, MI (US);
Assignee:
BrassCraft Manufacturing Company, Novi, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of processing a bismuth brass article includes the steps of machining an extruded brass rod to form an article of a desired shape and annealing the article at an annealing temperature that is no greater than 575° F./302° C. to relieve stress caused by the machining. The extruded brass rod includes a composition, by weight percentage, that includes 58-63 of copper, 0.8-1.5 of bismuth, 0.05-0.15 of phosphorous and a remainder of zinc and any impurities.