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. 03, 2000
Filed:
Oct. 04, 1999
Applicant:
Inventor:
Chao-Shun Wang, Taipei, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E04B / ;
U.S. Cl.
CPC ...
181286 ; 181292 ; 181293 ;
Abstract
An acoustic board includes a frame, a plurality of large cups equidistantly fitted in the frame, each of the large cups being a conical member which is open at a large end thereof, a plurality of small cups equidistantly fitted in the frame, each of the small cups being a conical member which is open at a large end thereof, and a front panel mounted on the frame to cover the large ends of the large and small cups, whereby the acoustic board which can effectively isolate the noise from one side to another.