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:
May. 29, 2012
Filed:
Mar. 24, 2004
Richard P. Merry, St. Paul, MN (US);
Richard P. Merry, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An exhaust system component () for use in an exhaust system of a motor vehicle. The exhaust system component comprises a double wall surrounding a space () through which exhaust gas may flow when the exhaust system component is in use in an exhaust system. The double wall is comprised of a first and second metal wall () that define between them a gap. The gap comprises an insulation material () made of chopped aluminium or magnesium aluminium silicate glass fibers. The insulation material can be in the form of, for example, an end cone perform. The exhaust system component can be an exhaust pipe ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile