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. 07, 2013
Filed:
Dec. 10, 2009
Winfried Bösterling, Neuenrade, DE;
André Hunold, Iserlohn, DE;
Eugen Gart, Lüdenscheid, DE;
Vossloh Werke GmbH, Werdohl, DE;
Abstract
A screw anchor for concrete attachment to a railroad tie or solid track comprises external threads () disposed on the exterior of the screw anchor () and internal threads () disposed inside the screw anchor () for force-fitted connecting to a fastening element (), wherein the screw anchor () comprises two sections () adjacent to one another in the longitudinal direction, the first section () having a substantially cylindrical external shape and the second section () having a substantially conical external shape, and wherein the second section () is disposed between the first section () and an inlet opening () for the fastening element ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile