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:
Apr. 26, 2011
Filed:
Mar. 05, 2007
Axel Rathmann, Hude, DE;
Hans-julius Ahlmann, Budelsdorf, DE;
Axel Rathmann, Hude, DE;
Hans-Julius Ahlmann, Budelsdorf, DE;
ACO Severin Ahlmann GmbH & Co. KG, Rensburg, DE;
Abstract
A cover grating for a drainage channel or a similarly hollow body which can be installed in the ground is presented, wherein the cover grating is produced in a single piece and more particularly from a sheet metal strip, comprising at least two longitudinal webs extending on the underside of the cover grating and inlet slots formed in the cover grating between these longitudinal webs and comprising transverse webs resulting from the slot forming operation and extending on the lower side of the cover grating wherein the transverse webs are provided at each of their end regions with at least one receiving projection which at least partially engages in to a respective complementarily formed receiving slot in the longitudinal web.