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:
Nov. 26, 2013
Filed:
Aug. 30, 2011
Applicants:
Gregory T. Lockwood, Pearland, TX (US);
Jonan Fulenchek, Tomball, TX (US);
Inventors:
Gregory T. Lockwood, Pearland, TX (US);
Jonan Fulenchek, Tomball, TX (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/43 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drill bit has a matrix bit body with a lower end face for engaging a rock formation, wherein the end face has a plurality of raised impregnated ribs extending from the face of the bit body and separated by a plurality of channels therebetween. At least one of the plurality of ribs has a leading or trailing portion thereof comprising the same the matrix material as the bit body forming a continuous body matrix.