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:
Dec. 05, 1989
Filed:
Feb. 16, 1989
Applicant:
Inventor:
Hiroshi Osada, Yokohama, JP;
Assignee:
Nifco, Inc., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ; F01N / ;
U.S. Cl.
CPC ...
181258 ; 181239 ; 181243 ; 181269 ; 181282 ;
Abstract
A muffler includes a cylindrical body, a gas passage pipe insertedly mounted within the cylindrical body, and a sound absorber mounted upon the gas passage pipe in an encircling manner. Gas is discharged from the gas passage pipe through the cylindrical body and sound absorber. The cylindrical body has a disk-like partitioning wall axially dividing the interior space thereof. The gas passage pipe has an outer flange and a plurality of pawls cooperating with the flange so as to clamp the partitioning wall therebetween.
Osada, Hiroshi. (1989). Muffler (U.S. Patent No. 4884657). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4884657
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile