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. 22, 1982
Filed:
Dec. 13, 1979
Applicant:
Inventor:
Hiroshi Tanaka, Aichi, JP;
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
428336 ; 423324 ; 423395 ; 423625 ; 427190 ; 427255 ; 427199 ; 428446 ; 428689 ; 428698 ; 428702 ;
Abstract
A ceramic throw-away tip which comprises a hot-pressed sinter of Si.sub.3 N.sub.4 on the surface of which is a thin coating of at least one of Al.sub.2 O.sub.3 and AlON.
Quick Actions:
Tanaka, Hiroshi. (1982). Ceramic throw-away tips and process for producing the same (U.S. Patent No. 4336305). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4336305
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile