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. 03, 1992
Filed:
Jul. 05, 1991
Applicant:
Inventor:
Chester H Crow, Schaumburg, IL (US);
Assignee:
Appliance Control Technology, Addison, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
335128 ; 335 83 ; 335 17 ;
Abstract
A state indicating relay wherein a pair of signal contacts connectable to an external electrical circuit are shunted, or opened in response to a bridging contact mounted on the rear of a switching contact mounted on the relay armature. Insulation is provided between the signal/bridging contacts and the power switching contacts of the relay. Operation of the power switching contacts is indicated by the current state of the signal/bridging contacts.