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. 01, 1997
Filed:
Jan. 04, 1996
Applicant:
Inventors:
David E Achey, Grand Blanc, MI (US);
Gary E Thoman, Fenton, MI (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 2331 ; 73 3105 ; 204426 ; 204424 ; 338 34 ;
Abstract
The invention includes a sealing system for a heated flat plate exhaust gas sensor having a plurality of alternating layers of glass and steatite surrounding a flat plate sensing element. A ceramic tube surround the plurality of layers. The ceramic tube is carried in a tubular-shaped metal housing.