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gptkbp:instanceOf
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patent
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gptkbp:abstract
|
A method and apparatus for controlling the operation of a machine.
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gptkbp:applicationNumber
|
Serial No. 622,123
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gptkbp:applicationPublicationNumber
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gptkb:US_2,555,640_A
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gptkbp:applicationStatus
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Granted
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gptkbp:assignee
|
gptkb:The_United_States_of_America
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gptkbp:citedBy
|
US_3,000,000
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gptkbp:claims
|
10
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gptkbp:class
|
G05B 19/418
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gptkbp:country
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gptkb:United_States
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfInvention
|
Control systems
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gptkbp:filingCountry
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gptkb:USA
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gptkbp:filingDate
|
October 15, 1945
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https://www.w3.org/2000/01/rdf-schema#label
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US 2,555,640
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gptkbp:inventor
|
gptkb:William_H._McCulloch
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:issuedBy
|
May 29, 1951
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gptkbp:legalStatus
|
Expired due to failure to pay maintenance fees.
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gptkbp:patentClassification
|
G05B 19/00
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|
gptkbp:patentFamily
|
US_2,555,640,_US_2,555,639
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gptkbp:patentNumber
|
2555640
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gptkbp:patentType
|
Utility Patent
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gptkbp:priorityDate
|
October 15, 1945
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gptkbp:publications
|
Patent_Grant
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gptkbp:relatedTo
|
gptkb:US_2,555,639
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gptkbp:status
|
Expired
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gptkbp:subclass
|
G05B 19/4181
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gptkbp:title
|
Method of and apparatus for controlling the operation of a machine
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