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:
Sep. 12, 1978
Filed:
Oct. 06, 1976
Applicant:
Inventors:
Masayasu Matsumoto, Zushi, JP;
Kazuyoshi Iida, Yokohama, JP;
Yoshikazu Kondo, Yokohama, JP;
Shosuke Suzuki, Yokohama, JP;
Assignee:
Bridgestone Tire Company Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E04B / ; G10K / ;
U.S. Cl.
CPC ...
181284 ; 181286 ; 181288 ; 181293 ;
Abstract
A sound absorbing body which can effectively be utilized as an exterior sound absorbing wall or an interior wall of a house is disclosed. The sound absorbing body comprises a number of sound absorbing cavities inclined at an angle .alpha. which is smaller than 80.degree. with respect to a transverse horizontal sectional plane of the body, the sound absorbing cavities being opened at the sound incident surface.
Matsumoto, Masayasu. (1978). Sound absorbing body (U.S. Patent No. 4113053). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4113053
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile