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:
Jan. 06, 2009
Filed:
Oct. 12, 2006
Applicants:
Maurice William Slack, Edmonton, CA;
Robert M. Tessari, Calgary, CA;
Per G. Angman, Calgary, CA;
Tommy M. Warren, Coweta, OK (US);
Inventors:
Maurice William Slack, Edmonton, CA;
Robert M. Tessari, Calgary, CA;
Per G. Angman, Calgary, CA;
Tommy M. Warren, Coweta, OK (US);
Assignee:
Tesco Corporation, Calgary, AB, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/08 (2006.01); E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wear resistant casing connection including a wear resistant portion on its exterior surface is taught. A casing connection having a controlled bend angle is also taught.