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. 06, 1982
Filed:
Jul. 21, 1980
Applicant:
Inventor:
Joseph H Lipperts, Hengelo, NL;
Assignee:
Hazemeijer B. V., Hengelo, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427 38 ; 2001 / ; 200262 ; 200266 ; 200267 ; 200268 ; 427 77 ;
Abstract
Method for improving switch contacts in particular enhancing the voltage endurance, lowering the chopper level and improving the electrical conductivity for the use in vacuum switches in which ions are implanted of material improving the above said characteristics, at least in the surface area of the switch contacts where upon switching action a discharge is generated.