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:
Feb. 04, 2003
Filed:
Jun. 08, 2001
Anton Gerhard, Nuremberg, DE;
Toge-Dübel A. Gerhard KG, Nuremberg, DE;
Abstract
A screw ( ), in particular a concrete screw, for being screwed into a drilled hole ( ) comprises a core ( ) with a pilot end ( ), a lengthwise screw-in direction ( ) and a central longitudinal axis ( ); and a thread ( ), which is designed in a single piece with the core ( ) and which comprises a cutting thread ( ), the cutting thread ( ) extending from the pilot end ( ) counter to the lengthwise screw-in direction ( ) and having flanks ( ), which are substantially parallel to each other, and cutting notches ( ), which are open radially outwards; and a standard thread ( ), which adjoins the cutting thread ( ), with the standard thread ( ) substantially having a triangular cross-sectional shape.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile