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.

Date of Patent:
Aug. 26, 2008

Filed:

Aug. 12, 2004
Applicants:

Ramamurthy Viswanadham, Spring, TX (US);

Lance T. Richman, Ponca City, OK (US);

Chris E. Cawthorne, The Woodlands, TX (US);

Anthony Griffo, The Woodlands, TX (US);

Inventors:

Ramamurthy Viswanadham, Spring, TX (US);

Lance T. Richman, Ponca City, OK (US);

Chris E. Cawthorne, The Woodlands, TX (US);

Anthony Griffo, The Woodlands, TX (US);

Assignee:

Smith International, Inc., Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 10/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

A shaped insert that includes a top portion, and a grip length, wherein the grip length is modified to have a non-uniform cross sectional area is disclosed. In another case, a shaped insert includes a top portion, and a grip length, wherein the grip length is modified such that the insert is non-cylindrical. In another case, a shaped insert includes a top portion, and a grip length, wherein the grip length is coated in a non-uniform manner.


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