US 2,555,685

GPTKB entity

Properties (15)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A circuit for controlling electrical devices.
gptkbp:applicationNumber Serial No. 622,198
gptkbp:assignee gptkb:The_United_States_of_America
gptkbp:citedBy US_3,000,000
gptkbp:class H01H
gptkbp:fieldOfInvention Electrical Engineering
https://www.w3.org/2000/01/rdf-schema#label US 2,555,685
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn May 29, 1951
gptkbp:numberOfClaims 10
gptkbp:priorityDate April 15, 1949
gptkbp:relatedTo gptkb:US_2,555,684
gptkbp:status Expired
gptkbp:title Electrical_Circuit