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:
Apr. 24, 1984
Filed:
Dec. 21, 1981
Applicant:
Inventors:
Mutuo Sekiya, Amagasaki, JP;
Hideharu Tanaka, Amagasaki, JP;
Fusaoki Uchikawa, Kamakura, JP;
Yasufumi Ohata, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01N / ; F01N / ;
U.S. Cl.
CPC ...
181258 ; 181252 ; 181262 ;
Abstract
A muffler for an internal combustion engine comprises an air inlet passage in a casing of said muffler in a hollow surrounded by an inner wall of said casing and an outer wall of a porous sound absorber which is held in said casing.