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:
Oct. 21, 1997
Filed:
Jul. 10, 1995
Applicant:
Inventors:
John H Furse, Jefferson County, KY (US);
Robert A Noreen, Jefferson County, KY (US);
Assignee:
AAF-International, Louisville, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04F / ;
U.S. Cl.
CPC ...
181224 ; 181257 ; 181275 ; 181282 ;
Abstract
A sound attenuating apparatus and method for forming the same including stacking selectively sized sheets of sound attenuating materials and fastening the same to form elongated, perforated sound attenuating flow-through passages which are structurally connected by means of mechanical joinders outside the noise bearing fluid stream to be attenuated.