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. 09, 2005
Filed:
Nov. 06, 2002
Applicant:
Lothar Josef Bock, Dryden, MI (US);
Inventor:
Lothar Josef Bock, Dryden, MI (US);
Assignee:
L & L Products, Inc., Romeo, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B005/20 ;
U.S. Cl.
CPC ...
Abstract
An automotive vehicle sound absorption system. An expandable material, such as an polymer-based foam, is disposed on a surface of a wall. Upon activation, the foam transforms, preferably during an automobile assembly operation, and remains bonded to surface for sound absorption.