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:
Jan. 10, 2017
Filed:
Jan. 30, 2014
Ngk Spark Plug Co., Ltd., Nagoya-shi, Aichi, JP;
Takehiro Oba, Konan, JP;
Shingo Ito, Ichinomiya, JP;
Makoto Kume, Inuyama, JP;
Daisuke Tahira, Komaki, JP;
NGK SPARK PLUG CO., LTD., Aichi, JP;
Abstract
A gas sensor () has a platelike detection element () extending in an axial direction and a ceramic member () having an element insertion hole () into which the detection element () is inserted. When the ceramic member () is viewed from the axial direction, the element insertion hole () has a main insertion hole () having a substantially quadrate shape surrounded by four sides, and relief holes (), (), () and (), each of which is surrounded by an outline connecting ends of two adjacent sides of the four sides of the main insertion hole () and located radially outward of the main insertion hole () so as to communicate with the main insertion hole