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. 09, 2015
Filed:
Aug. 16, 2010
Applicants:
Christian M. Lambert, Draper, UT (US);
Michael D. Rupp, Murray, UT (US);
Inventors:
Christian M. Lambert, Draper, UT (US);
Michael D. Rupp, Murray, UT (US);
Assignee:
Longyear TM, Inc., South Jordan, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/48 (2006.01); E21B 10/567 (2006.01); E21B 10/02 (2006.01);
U.S. Cl.
CPC ...
E21B 10/02 (2013.01); Y10T 29/4998 (2015.01); E21B 10/48 (2013.01);
Abstract
A drill bit includes a crown defining a central axis. The crown includes at least one segment. The segment includes a planar portion and a plurality of surface features continuous with and extending away from the planar portion. The surface features are discontinuous within the segment with respect to a first arced path defined at a first radial distance from the central axis.