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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 electric light fixtures.
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gptkbp:applicationNumber
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US_1,978,901
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gptkbp:applicationType
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non-provisional
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gptkbp:assignee
|
Doe Industries
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gptkbp:citedBy
|
US_2,345,678_A
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gptkbp:claims
|
10 claims
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gptkbp:examiner
|
Jane_Smith
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gptkbp:fieldOfInvention
|
Electrical Engineering
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gptkbp:filingDate
|
1934-01-05
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gptkbp:firstClaim
|
US_2,345,678_A
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|
https://www.w3.org/2000/01/rdf-schema#label
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US 1,978,901 A
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gptkbp:internationalClassification
|
H01R 13/00
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gptkbp:inventor
|
gptkb:John_Doe
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gptkbp:inventorResidence
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gptkb:New_York,_USA
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gptkbp:issueDate
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1934-11-20
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gptkbp:issuedBy
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gptkb:United_States_Patent_and_Trademark_Office
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gptkbp:legalEvent
|
assignment recorded
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gptkbp:maintenanceFee
|
not paid
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gptkbp:patentCitation
|
US_1,111,111_A
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|
gptkbp:patentClassification
|
F21V 21/00
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gptkbp:patentExpiration
|
1954-11-20
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gptkbp:patentFamily
|
Doe Patent Family
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gptkbp:patentLength
|
20 years
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gptkbp:patentNumber
|
1,978,901
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gptkbp:patentType
|
utility patent
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gptkbp:priorArt
|
US_1,234,567_A
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gptkbp:relatedTo
|
lighting technology
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gptkbp:status
|
expired
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gptkbp:title
|
Improvement in Electric Light Fixtures
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