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:
Jul. 29, 2003
Filed:
Aug. 13, 2001
Anton Gerhard, Nürnberg, DE;
Toge-Dübel A. Gerhard KG, Nürnberg, DE;
Abstract
A corrosion-resisting, self-tapping screw ( ), in particular a concrete screw, to be driven into a bore, which has a wall, comprises a substantially cylindrical core ( ) of corrosion-resisting metal with a central longitudinal axis ( ); a thread ( ), which is integral with the core ( ); and at least one cutting element ( ), which has at least one cutting head ( ) for cutting engagement with the wall of the bore; the at least one cutting element ( ) being inserted in the core ( ), tightly joined thereto and consisting of a hardened metal, and the at least one cutting head ( ) being arranged in the thread ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile