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:
Dec. 21, 2010
Filed:
Mar. 30, 2007
Applicant:
Roberto Zappa, Bergamo, IT;
Inventor:
Roberto Zappa, Bergamo, IT;
Assignee:
Sematic Italia S.p.A., Bergamo, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04C 2/54 (2006.01); E04C 2/38 (2006.01); E04C 2/32 (2006.01); E06B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An improved panel () for lift doors, made of metal or another suitable material, including a plate () in a basically rectangular shape, whose longer sides extend in height and are folded back with a 'C'-shaped profile in the longitudinal direction to form opposed edges or rims () turned towards the longitudinal axis of the plate itself, the lower base of the latter being equipped with a basically 'S'-shaped back fold including a horizontal flat portion () along which a plurality of fissures () are made which receive a portion of the lower edge of one or more stiffening members ().