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:
Jun. 28, 1983
Filed:
Feb. 02, 1982
Applicant:
Inventors:
Dean C Hammond, Jr, Birmingham, MI (US);
Paul T Vickers, Bloomfield Hills, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; C04B / ;
U.S. Cl.
CPC ...
55523 ; 55524 ; 55DI / ; 210510 ;
Abstract
A diesel particulate trap comprising a ceramic monolith filter having inlet channels of decreasing cross-sectional flow area and increasing wall thickness relative to the distance from the inlet end to the outlet end of the filter.
Hammond, Jr, Dean. (1983). Wall-flow monolith filter (U.S. Patent No. 4390355). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4390355
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile