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:
Aug. 28, 1990
Filed:
Jan. 23, 1989
Kazuyoshi Shibata, Nagoya, JP;
Hitoshi Nishizawa, Iwakura, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
A ceramic heater including a ceramic body and a heater element formed on the ceramic body. The heater element has a heat-generating portion formed of a cermet containing a ceramic material and a metal material which principally consists of at least one noble metal, electrical lead portions formed of a metallic material which principally consists of at least one base metal, or formed of a cermet containing a ceramic material and said metallic material, and connecting portions connecting said heat-generating portion to said electrical lead portions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile