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. 28, 2017
Filed:
Feb. 06, 2015
Applicant:
Varel International Ind., L.p., Carrollton, TX (US);
Inventor:
Steven W. Drews, Cypress, TX (US);
Assignee:
VAREL INTERNATIONAL IND., L.P., Carrollton, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/55 (2006.01); E21B 10/573 (2006.01); E21B 29/00 (2006.01);
U.S. Cl.
CPC ...
E21B 10/55 (2013.01); E21B 10/573 (2013.01); E21B 29/00 (2013.01);
Abstract
A mill-drill cutter for an earth boring bit includes a cutting structure secured to a substrate. The cutting structure has a drilling edge, and the substrate has a milling edge. The substrate is configured to be received in a cutter pocket of the earth boring bit. The drilling edge of the cutting structure is disposed radially internal to the milling edge of the substrate.