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gptkbp:instanceOf
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patent
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|
gptkbp:abstract
|
An electric lamp comprising a bulb and a filament.
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gptkbp:applicationDate
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April 12, 1937
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gptkbp:applicationNumber
|
US_2,123,083
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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_1,500,000
US_3,000,000
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gptkbp:country
|
gptkb:United_States
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gptkbp:examiner
|
gptkb:John_Doe
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gptkbp:expirationDate
|
July 12, 1955
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gptkbp:fieldOfInvention
|
lighting technology
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gptkbp:filingCountry
|
filed
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gptkbp:filingDate
|
April 12, 1937
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https://www.w3.org/2000/01/rdf-schema#label
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US 2,123,083 B2
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gptkbp:internationalClassification
|
H01K_9/00
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gptkbp:inventor
|
gptkb:William_Coolidge
William_A._Coolidge
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gptkbp:issuedOn
|
July 12, 1938
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gptkbp:legalStatus
|
active
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|
gptkbp:maintenanceFee
|
paid
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|
gptkbp:numberOfClaims
|
10
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gptkbp:owner
|
gptkb:General_Electric_Company
|
|
gptkbp:patentAbstract
|
An electric lamp with improved filament.
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|
gptkbp:patentCitation
|
US_1,500,000,_US_1,600,000
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|
gptkbp:patentClassification
|
H01K_9/00
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|
gptkbp:patentExpiration
|
1955-07-12
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gptkbp:patentFamily
|
US_2,123,083_B2_family
|
|
gptkbp:patentFamilyMembers
|
US_2,123,083_B2,_US_2,000,000
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gptkbp:patentNumber
|
2,123,083
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|
gptkbp:patentOffice
|
gptkb:USPTO
|
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gptkbp:patentStatus
|
granted
active patent
|
|
gptkbp:patentType
|
utility
granted patent
granted on July 12, 1938
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|
gptkbp:priorityDate
|
April 12, 1937
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|
gptkbp:relatedTo
|
incandescent lamps
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gptkbp:subclass
|
H01K
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gptkbp:title
|
Electric lamp
|