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. 13, 1988
Filed:
May. 14, 1987
Applicant:
Inventor:
Don A Deaver, Jackson, MI (US);
Assignee:
Tenneco, Inc., Lincolnshire, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
181265 ; 181266 ;
Abstract
An automotive muffler has sound attenuating means in the form of one or more frame subassemblies which are formed of two identical transverse partitions and two identical longitudinal partitions secured at opposite ends to the transverse partitions and acting with them and the muffler housing to provide a retroverted exhaust gas flow path.