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. 12, 2008
Applicants:
Xiayang Sheng, Sugar Land, TX (US);
Alan W. Lockstedt, Magnolia, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Inventors:
Xiayang Sheng, Sugar Land, TX (US);
Alan W. Lockstedt, Magnolia, TX (US);
Gregory T. Lockwood, Pearland, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22F 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A matrix powder for forming a matrix bit body, the matrix powder essentially consisting of a plurality of carbide particles having a particle size distribution of ±20% of a median particle size; and a plurality of metal binder particles is disclosed.