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:
Aug. 18, 1987
Filed:
Jan. 10, 1985
Applicant:
Inventor:
LeRoy M Freeman, Westbury, NY (US);
Assignee:
Slater Electric Inc., Glen Cove, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
361 45 ; 361 42 ;
Abstract
In a ground fault circuit interrupter having a solenoid with a moveable core, an electronic circuit detects a fault. The detection circuit also inhibits the solenoid from opening a pair of latching contacts until there is sufficient electrical energy to insure that the kinetic energy of the solenoid will cause the contacts to latch open.