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:
Feb. 18, 2014
Filed:
Mar. 03, 2011
Applicant:
Yoshikazu Kataoka, Aichi, JP;
Inventor:
Yoshikazu Kataoka, Aichi, JP;
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T 13/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spark plug includes a ground electrode. The cross sectional area S of a ground electrode base member of the ground electrode satisfies a relation 1.8 mm≦S≦3.2 mm. The embedment depth A of a noble metal tip embedded in a second base member surface and the tip thickness B of the noble metal tip measured along the direction in which the noble metal tip is embedded in the second base member surface satisfy a relation 0.4≦(A/B)≦0.8.
Kataoka, Yoshikazu. (2014). Spark plug (U.S. Patent No. 8653726). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8653726
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile