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:
Apr. 21, 2015
Filed:
May. 21, 2010
Toru Yamashita, Chiyoda-ku, JP;
Daisuke Yoshida, Chiyoda-ku, JP;
Katsuhiko Horinouchi, Chiyoda-ku, JP;
Tatsuya Hayashi, Chiyoda-ku, JP;
Toru Yamashita, Chiyoda-ku, JP;
Daisuke Yoshida, Chiyoda-ku, JP;
Katsuhiko Horinouchi, Chiyoda-ku, JP;
Tatsuya Hayashi, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Chiyoda-Ku, Tokyo, JP;
Abstract
A gas circuit breaker is provided, avoiding change in the position of a cover member and without weakening of the blow of gas to the arc in an arc discharge cavity even when a surface of the cover member in contact with the arc discharge cavity is damaged. The gas circuit breaker includes a contact ring, a holder attached to the contact ring, and extending to a path of arc-extinguishing gas that extinguishes an arc, and an electrically insulative cover member attached to the holder.