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. 18, 2011
Filed:
Apr. 22, 2008
Yoshiyasu Fujii, Nagoya, JP;
Takayoshi Atsumi, Konan, JP;
Hideya Inukai, Ogaki, JP;
Naoki Yamada, Iwakura, JP;
Takeo Mizui, Konan, JP;
Yoshiyasu Fujii, Nagoya, JP;
Takayoshi Atsumi, Konan, JP;
Hideya Inukai, Ogaki, JP;
Naoki Yamada, Iwakura, JP;
Takeo Mizui, Konan, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A gas sensor having an axis including a detecting element; a metal shell; an outer cylinder; and a plug member, as defined herein, and the gas sensor includes a first protective member that covers an air vent of the plug member so as to protect the filter member, the protective member having a ventilation portion having an opening smaller than an opening of the air vent and at least partially overlapping the air vent in the axial direction, and at least one of the outer cylinder and the plug member is provided with a locking portion that limits rotation of the protective member around the axis.