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gptkbp:instanceOf
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patent
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gptkbp:abstract
|
An electric lamp with improved efficiency.
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gptkbp:applicationNumber
|
US_2,666,666
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gptkbp:applicationStatus
|
granted
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gptkbp:applicationType
|
non-provisional
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gptkbp:assignee
|
gptkb:General_Electric_Company
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gptkbp:citedBy
|
US_3,000,000
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gptkbp:country
|
gptkb:United_States
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gptkbp:documentType
|
B2 patent
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:fieldOfInvention
|
lighting technology
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gptkbp:filingDate
|
April 12, 1951
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https://www.w3.org/2000/01/rdf-schema#label
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US 2,666,666 B2
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gptkbp:internationalClassification
|
H01J 1/00
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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:issuedOn
|
January 5, 1954
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gptkbp:language
|
English
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gptkbp:legalStatus
|
expired
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gptkbp:numberOfClaims
|
10
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|
gptkbp:patentCitation
|
US_2,500,000
|
|
gptkbp:patentClassification
|
H01J
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|
gptkbp:patentExpiration
|
January 5, 1971
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|
gptkbp:patentFamily
|
US_2,666,666_B2_family
|
|
gptkbp:patentLink
|
https://patents.google.com/patent/US2666666B2
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gptkbp:patentNumber
|
2,666,666
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
|
utility
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|
gptkbp:priorityDate
|
April 12, 1951
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|
gptkbp:relatedPatent
|
US_2,500,000
|
|
gptkbp:status
|
active
|
|
gptkbp:subclass
|
H01J 1/10
|
|
gptkbp:title
|
Electric lamp
|