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:
Dec. 25, 2012
Filed:
Mar. 11, 2011
Applicant:
Thomas J. Oothoudt, Little Falls, MN (US);
Inventor:
Thomas J. Oothoudt, Little Falls, MN (US);
Assignee:
Longyear TM, Inc., South Jordan, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/48 (2006.01); E21B 10/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drill bit for core sampling includes a body having a central axis and first end having a tapered outer surface and a radius transverse to the central axis, and an insert having a cutting surface on the first end oriented at an axial angle relative to the radius to move material displaced during drilling away from the first end.