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:
Jun. 01, 1993
Filed:
Aug. 05, 1991
Applicant:
Inventor:
Mario Beretta, Sirtori, IT;
Assignee:
RDB Plastotecnica S.p.A., Vigano' Brianza, IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
E02D / ; E04C / ;
U.S. Cl.
CPC ...
52606 ; 52689 ; 521692 ; 47 82 ; 405284 ;
Abstract
The block has a cambered front radiused to tapering side walls. The side walls have, in the portion radiused to the front, mutually opposite insertion-coupling members and seats for accommodating the insertion-coupling members of an adjacent block. The block furthermore has, at an upper part thereof, an abutment for engagement with a supporting element defined on a lower part at the front of an adjacent block.