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:
May. 22, 2007
Filed:
Nov. 26, 2003
Applicant:
Hans-dieter Gaul, Augsburg, DE;
Inventor:
Hans-Dieter Gaul, Augsburg, DE;
Assignee:
Hilti Aktiengesellschaft, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 10/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
A tool holder () for an annular core bit has a bit-side axial stop surface () and an end-side axial splined profile () extending in a bit direction. The tool holder has an outer thread () forming radial spline projections of the splined profile () that cooperates with the inner profile () of the core bit.
Gaul, Hans-Dieter. (2007). Tool holder for annular core bit (U.S. Patent No. 7219753). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7219753
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile