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:
Nov. 07, 2000
Filed:
Jul. 14, 1998
Applicant:
Inventors:
Toru Tanimizu, Hitachi, JP;
Masato Kobayashi, Hitachi, JP;
Shuichi Kikukawa, Hitachi, JP;
Ayumu Morita, Hitachi, JP;
Minoru Suzuki, Hitachi, JP;
Yoshimi Hakamata, Hitachi, JP;
Katsunori Kojima, Hitachi, JP;
Yozo Shibata, Hitachi, JP;
Yoshitomo Gotoh, Hitachi, JP;
Makoto Terai, Hitachi, JP;
Takuya Okada, Hitachi, JP;
Naoki Nakatsugawa, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
218118 ; 218139 ; 218155 ;
Abstract
A vacuum insulation switch provided with a movable electrode, a stationary electrode and an earthing electrode, which are insulated from each other, in a vacuum container made of a conductive material which is earthed, and a switchgear using the same.