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:
Mar. 24, 2009
Filed:
Jul. 09, 2007
Applicants:
David R. Hall, Provo, UT (US);
Francis Leany, Provo, UT (US);
Joe Fox, Provo, UT (US);
Tyson J. Wilde, Provo, UT (US);
Boyd Black, Provo, UT (US);
Inventors:
David R. Hall, Provo, UT (US);
Francis Leany, Provo, UT (US);
Joe Fox, Provo, UT (US);
Tyson J. Wilde, Provo, UT (US);
Boyd Black, Provo, UT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 21/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drill bit having a bit body intermediate a shank and a working face having at least one cutting insert. A bore is formed in the working face co-axial within an axis of rotation of the drill bit. A jack element is retained within the bore by a retaining element that intrudes a diameter of the bore.