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gptkbp:instanceOf
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patent
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gptkbp:abstract
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This invention relates to electrical circuits.
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gptkbp:applicationNumber
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Serial No. 622,123
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gptkbp:applicationPublication
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May 29, 1951
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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
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US_3,000,000_A
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gptkbp:classification
|
H01H 1/00
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gptkbp:country
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gptkb:United_States
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gptkbp:examiner
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gptkb:John_Doe
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gptkbp:fieldOfUse
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Electrical Engineering
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gptkbp:filingDate
|
October 12, 1949
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https://www.w3.org/2000/01/rdf-schema#label
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US 2,555,574 A
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gptkbp:inventor
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gptkb:William_H._McCulloch
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:inventorResidence
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gptkb:Ohio
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gptkbp:issuedOn
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May 29, 1951
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gptkbp:legalStatus
|
Expired due to non-payment of maintenance fees
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gptkbp:numberOfClaims
|
10
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gptkbp:patentAbstract
|
An electrical circuit for controlling devices.
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gptkbp:patentAssignee
|
gptkb:The_United_States_of_America
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gptkbp:patentCitation
|
gptkb:US_2,555,573_A
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gptkbp:patentClaim
|
10 claims.
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gptkbp:patentExpiration
|
May 29, 1971
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gptkbp:patentFamily
|
US_2,555,574_A_family
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gptkbp:patentField
|
Electrical Engineering
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|
gptkbp:patentFilingDate
|
May 29, 1951
October 12, 1949
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|
gptkbp:patentInventor
|
gptkb:William_H._McCulloch
|
|
gptkbp:patentLength
|
20 years
|
|
gptkbp:patentNumber
|
2,555,574
|
|
gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
|
Utility Patent
Utility
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|
gptkbp:priorityDate
|
October 12, 1949
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|
gptkbp:publications
|
A
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gptkbp:relatedPatent
|
gptkb:US_2,555,573_A
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|
gptkbp:relatedTo
|
gptkb:US_2,555,573_A
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|
gptkbp:status
|
Expired
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gptkbp:title
|
Electrical_Circuit
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