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:
Mar. 07, 1978
Filed:
Mar. 17, 1976
Applicant:
Inventor:
Shinzo Sakuma, Tokyo, JA;
Assignees:
Kabushiki Kaisha Meidensha, Tokyo, JA;
Kabushiki Kaisha Gemvac, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
29622 ; 2001 / ; 228122 ; 228179 ; 228221 ; 228263 ;
Abstract
This invention discloses a vacuum power interrupter, having high reliability of vacuum sealing, which is manufactured by using the most suitable brazing material whose main component is Cu or Au for each component of vacuum power interrupter in one brazing process or in two brazing processes.