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:
Mar. 06, 2001
Filed:
Jun. 14, 1999
Applicant:
Inventor:
Jim Thompson Goodchild, Calgary, CA;
Assignee:
SMED International Inc., Calgary, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B 1/82 ; E04B 2/02 ;
U.S. Cl.
CPC ...
E04B 1/82 ; E04B 2/02 ;
Abstract
A sound attenuating relocatable partition wall panel. A substantially rigid first skin is secured, in a spaced apart relationship to a substantially rigid second skin generally opposite thereto. The first and second skins have different respective critical frequencies at which a coincidence dip occurs in their respective sound transmission loss characteristics.