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:
Nov. 12, 1996
Filed:
Jun. 27, 1995
Applicant:
Inventors:
Assignee:
Firma Carl Freudenberg, Weinheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
524031 ; 524044 ; 522203 ; 52144 ; 5230912 ;
Abstract
A hollow floor composed of a profiled false floor (1) which is arranged between a top floor (2) and a sub floor (3) and is designed to be plate-shaped, the false floor (1) having cup-shaped depressions (4) that are joined together by essentially flat edge areas (5). The depressions (4) are filled in with a sound-deadening filler material (6).