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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:applicationDate
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April 12, 1949
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gptkbp:applicationNumber
|
Serial No. 622,123
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gptkbp:applicationType
|
Non-provisional
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gptkbp:assignee
|
gptkb:The_United_States_of_America
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gptkbp:citedBy
|
US_3,000,000
US_2,555,642,_US_2,555,644
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gptkbp:class
|
Machine control systems
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfUse
|
machine control
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gptkbp:filedIn
|
gptkb:William_H._McCulloch
|
|
gptkbp:filingCountry
|
Active
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|
gptkbp:grantDate
|
May 29, 1951
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 2,555,643
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gptkbp:internationalClassification
|
G05B 19/00
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gptkbp:inventor
|
gptkb:William_H._McCulloch
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gptkbp:inventorCountry
|
gptkb:USA
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gptkbp:issuedOn
|
May 29, 1951
|
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gptkbp:legalStatus
|
Granted
|
|
gptkbp:maintenanceFee
|
Not paid
|
|
gptkbp:numberOfClaims
|
10
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|
gptkbp:numberOfFigures
|
5
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|
gptkbp:patentClassification
|
Class 700
|
|
gptkbp:patentExpiration
|
May 29, 1971
|
|
gptkbp:patentFamily
|
US_2,555,643_family
|
|
gptkbp:patentLength
|
20 years
|
|
gptkbp:patentNumber
|
2,555,643
|
|
gptkbp:patentOffice
|
gptkb:USPTO
|
|
gptkbp:patentType
|
Utility patent
|
|
gptkbp:priorityDate
|
April 12, 1949
|
|
gptkbp:relatedPatent
|
gptkb:US_2,555,642
gptkb:US_2,555,644
|
|
gptkbp:relatedTo
|
gptkb:US_2,555,642
|
|
gptkbp:status
|
expired
|
|
gptkbp:subclass
|
Control systems for machines
|
|
gptkbp:title
|
Method of and apparatus for controlling the operation of a machine
|