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:
Jan. 22, 2019
Filed:
Aug. 16, 2011
Applicants:
Arne Meincke, Osdorf, DE;
Hans-julius Ahlmann, Büdelsdorf, DE;
Inventors:
Arne Meincke, Osdorf, DE;
Hans-Julius Ahlmann, Büdelsdorf, DE;
Assignee:
ACO SEVERIN AHLMANN GMBH & CO. KG, Rendsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E03F 5/06 (2006.01); E04C 2/42 (2006.01);
U.S. Cl.
CPC ...
E03F 5/06 (2013.01); E04C 2/421 (2013.01); E03F 2005/068 (2013.01);
Abstract
Covers for drains, manholes or similar constructions are known which comprise a first grate () made of sheet metal and comprising slots () and struts (), said struts having top faces () and each strut having side faces () made of sheet metal bent with respect to the top face. In order to increase the rigidity it is proposed that at least a second grate () is provided, the struts () of which are inserted in the slots () of the first grate ().