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:
Aug. 12, 2003
Filed:
Sep. 28, 2001
Applicant:
Inventors:
Ronald K. Eyre, Orem, UT (US);
Stewart Middlemiss, Salt Lake City, UT (US);
Lynn L. Belnap, Heber, UT (US);
Assignee:
Smith International, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 1/052 ;
U.S. Cl.
CPC ...
E21B 1/052 ;
Abstract
A gage trimmer and a bit incorporating such a gage trimmer are provided. The gage trimmer has an ultra hard material layer having a circumferential surface including a cylindrical portion and a flat surface for bearing against a circumferential wall of a hole drilled by the bit. The ultra hard material layer is formed over a substrate interface surface. The flat surface does not extend to the interface surface.
Eyre, Ronald. (2003). Gage trimmers and bit incorporating the same (U.S. Patent No. 6604588). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6604588
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile