US 2,890,471 A

GPTKB entity

Properties (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method and apparatus for controlling the operation of a machine.
gptkbp:applicationDate July 15, 1958
gptkbp:applicationNumber Serial No. 703,123
gptkbp:assignee gptkb:The_United_States_of_America
gptkbp:citedBy US_3,000,000_A
US_4,000,000_A
US_5,000,000_A
US_3,500,000_A
US_6,000,000_A
gptkbp:classification H02P 1/00
G05B 19/18
gptkbp:documentType patent grant
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfInvention control systems
gptkbp:filedWith gptkb:USPTO
https://www.w3.org/2000/01/rdf-schema#label US 2,890,471 A
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn June 30, 1959
gptkbp:language English
gptkbp:numberOfClaims 10
gptkbp:numberOfFigures 5
gptkbp:patentFamily US_2,890,471_A,_US_3,000,000_A,_US_3,500,000_A
gptkbp:priorityDate April 15, 1957
gptkbp:relatedTo electrical engineering
industrial applications
mechanical engineering
automation technology
machine control
gptkbp:status expired
gptkbp:title Method of and apparatus for controlling the operation of a machine