US 2,890,172 A

GPTKB entity

Properties (15)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract An electrical circuit for controlling the operation of a device.
gptkbp:applicationNumber US_2,890,172
gptkbp:assignee gptkb:The_United_States_of_America
gptkbp:citedBy US_3,000,000_A
gptkbp:class H01H
gptkbp:fieldOfInvention Electrical Engineering
https://www.w3.org/2000/01/rdf-schema#label US 2,890,172 A
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn June 16, 1959
gptkbp:numberOfClaims 10
gptkbp:priorityDate April 15, 1957
gptkbp:relatedTo gptkb:US_2,890,171_A
gptkbp:status Expired
gptkbp:title Electrical_Circuit