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. 08, 1976
Filed:
Nov. 29, 1974
Applicant:
Inventors:
Gerd Dausch, Wuppertal, DT;
Heinrich Klotz, Westhofen, DT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
181 / ; 181 / ;
Abstract
The invention concerns a sound-absorbing wall element made up of a plurality of layers, one layer comprising small shreds of reinforced pneumatic rubber tires, which tires are disintegrated to form the shreds, the shreds being bonded together to form a low-density irregular structure having pores.