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. 08, 1994
Filed:
Sep. 11, 1992
Applicant:
Inventors:
Joseph P Fello, Penn Hills Township, Allegheny County, PA (US);
Umesh C Patel, Bridgeville, PA (US);
Michael J Whipple, New Sewickley, PA (US);
Garry B Theadore, Patterson, PA (US);
Assignee:
Westinghouse Electric Company, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
335 18 ; 361 42 ; 361 17 ;
Abstract
A ground fault circuit breaker in which both the fixed and movable contacts of the ground fault test switch are directly secured to the printed circuit board on which the ground fault detection circuit is implemented, with the movable contact also providing the spring bias for the test button.