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:
Jun. 07, 2011
Filed:
Feb. 12, 2008
Eric E. Mcclain, Spring, TX (US);
Michael L. Doster, Spring, TX (US);
John C. Thomas, Lafayette, LA (US);
Matthew R. Isbell, Houston, TX (US);
Jarod Degeorge, Houston, TX (US);
Chad T. Jurica, Spring, TX (US);
Eric E. McClain, Spring, TX (US);
Michael L. Doster, Spring, TX (US);
John C. Thomas, Lafayette, LA (US);
Matthew R. Isbell, Houston, TX (US);
Jarod DeGeorge, Houston, TX (US);
Chad T. Jurica, Spring, TX (US);
Baker Hughes Incorporated, Houston, TX (US);
Abstract
A drill bit includes a bit body having a face on which two different types of cutters are disposed, the first type being cutting elements suitable for drilling at least one subterranean formation and the second type being at least one of an abrasive cutting structure and an abrasive cutting element suitable for drilling through a casing shoe, reamer shoe, casing bit, casing or liner string and cementing equipment or other components, as well as cement. Methods of forming earth-boring tools are also disclosed.