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:
Jul. 20, 1993
Filed:
May. 28, 1991
Applicant:
Inventors:
James Allman, North Vernon, IN (US);
Richard Wilcox, Columbus, IN (US);
Thomas Rohm, Columbus, IN (US);
Assignee:
Arvin Industries, Inc., Columbus, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N / ;
U.S. Cl.
CPC ...
181282 ; 181272 ; 181276 ;
Abstract
The invention relates to a rigidifying structure used to support half shells of a stamp-formed muffler by connecting at least one of the half shells to an inner plate disposed in the space between the half shells so that shell noise is minimized.