US 2,555,552 A

GPTKB entity

Properties (24)
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:applicationType Utility
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:claims 10 claims
gptkbp:coInventor gptkb:John_D._Smith
gptkb:Jane_Doe
gptkbp:fieldOfInvention Control systems
gptkbp:filedIn gptkb:William_H._McCulloch
https://www.w3.org/2000/01/rdf-schema#label US 2,555,552 A
gptkbp:internationalClassification G05B 19/00
gptkbp:inventor gptkb:William_H._McCulloch
gptkbp:issuedOn May 29, 1951
gptkbp:priorityDate April 12, 1949
gptkbp:relatedTo gptkb:US_2,555,551_A
gptkb:US_2,555,553_A
gptkbp:status Expired
gptkbp:title Method of and apparatus for controlling the operation of a machine