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. 24, 1987
Filed:
Aug. 27, 1985
Applicant:
Inventor:
In Suk Kim, Seoul, KR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 58 ; 2001 / ; 361 10 ; 361126 ;
Abstract
A device for preventing contact defacing and arc prevention which comprises a triac bearing a momentary opening or shutting of a current, fixed terminals (A) and (B) bearing the continuous current, further in the terminals (A) and (B) no arc occurring at opening and closing, therefore a silver contact becomes unnecessary.
Quick Actions:
Kim, In. (1987). Device for contact protection and arc prevention of a switch (U.S. Patent No. 4709294). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4709294
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile