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:
Aug. 20, 1991
Filed:
Jul. 10, 1990
Applicant:
Inventors:
Klaus Oberlander, Hanau, DE;
Norbert Brand, Darmstadt, DE;
Kurt Kirdorf, Kahl, DE;
Peter Seelmann, Vienna, AT;
Heinz Wachter, Ebergassing, AT;
Assignee:
Degussa Aktiengesellschaft, Frankfurt am Main, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E01F / ; E04C / ; E04C / ; B32B / ;
U.S. Cl.
CPC ...
52789 ; 523097 ; 523091 ;
Abstract
Noise-abatement panels of acrylic glass are secured against fragmentation by plastic threads, plastic bands or a plastic net embedded in them approximately in the middle. If the acrylic glass breaks, the threads, bands or nets hold the fragments together.