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gptkbp:instanceOf
|
patent
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|
gptkbp:abstract
|
A circuit for controlling electrical devices.
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gptkbp:applicationDate
|
1949-10-03
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gptkbp:applicationNumber
|
Serial No. 622,123
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gptkbp:applicationPublication
|
US_2,555,712_A
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|
gptkbp:assignee
|
gptkb:General_Electric_Company
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|
gptkbp:citedBy
|
US_3,000,000
|
|
gptkbp:class
|
H01H
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|
gptkbp:description
|
This patent describes a novel electrical circuit design.
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|
gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfUse
|
electrical engineering
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|
gptkbp:filedIn
|
gptkb:William_H._McCulloch
|
|
gptkbp:grantDate
|
1951-05-29
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 2,555,712
|
|
gptkbp:internationalClassification
|
H01H 35/00
|
|
gptkbp:inventor
|
gptkb:William_H._McCulloch
|
|
gptkbp:inventorCountry
|
gptkb:USA
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|
gptkbp:issuedOn
|
1951-05-29
|
|
gptkbp:legalStatus
|
lapsed
|
|
gptkbp:maintenanceFee
|
not paid
|
|
gptkbp:numberOfClaims
|
10
|
|
gptkbp:patentAbstract
|
A circuit for controlling electrical devices.
|
|
gptkbp:patentAssignee
|
gptkb:General_Electric_Company
|
|
gptkbp:patentCitation
|
gptkb:US_2,555,711
US_2,555,711,_US_3,000,000
|
|
gptkbp:patentClassification
|
H01H 35/00
|
|
gptkbp:patentExpiration
|
1971-05-29
|
|
gptkbp:patentFamily
|
US_2,555,712,_US_2,555,711
|
|
gptkbp:patentFamilyMembers
|
US_2,555,711,_US_2,555,712
|
|
gptkbp:patentField
|
Electrical Engineering
|
|
gptkbp:patentFilingDate
|
1949-10-03
1951-05-29
US_2,555,712_B
|
|
gptkbp:patentInventor
|
gptkb:William_H._McCulloch
|
|
gptkbp:patentMaintenanceFee
|
Not Paid
|
|
gptkbp:patentNumber
|
2,555,712
|
|
gptkbp:patentOwner
|
gptkb:General_Electric_Company
|
|
gptkbp:patentStatus
|
Expired
Lapsed
|
|
gptkbp:patentType
|
Utility Patent
utility
|
|
gptkbp:priorityDate
|
1949-10-03
|
|
gptkbp:relatedTo
|
gptkb:US_2,555,711
|
|
gptkbp:status
|
expired
|
|
gptkbp:subclass
|
H01H 35/00
|
|
gptkbp:title
|
Electrical_Circuit
|