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. 14, 1998
Filed:
Dec. 20, 1996
Applicant:
Inventors:
Vincent Cholet, Metz, FR;
Gilbert Duboueix, Saint Nom la Breteche, FR;
Philippe Guesdon, Paris, FR;
Dominique Spehner, Sedan, FR;
Assignee:
Sollac, Puteaux, FR;
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
181282 ; 181244 ;
Abstract
The invention relates to an exhaust muffler for a motor vehicle, consisting of an external casing (1), an internal casing (2) and a central part (3) consisting of perforated tubing (4) and transverse partitions (5) assembled together to form a chicane, called the insides. The central part (3) is made of an enameled steel, the steel having the following composition in thousandths of a percent by weight: