US 2,555,677 A

GPTKB entity

Properties (15)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method and apparatus for controlling the operation of a machine.
gptkbp:applicationNumber Serial No. 622,198
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
gptkbp:fieldOfInvention control systems
https://www.w3.org/2000/01/rdf-schema#label US 2,555,677 A
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn May 29, 1951
gptkbp:priorityDate April 12, 1946
gptkbp:status expired
gptkbp:title Method of and apparatus for controlling the operation of a machine