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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:applicationDate
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1919-01-01
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gptkbp:applicationNumber
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US1234567
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gptkbp:applicationType
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utility
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gptkbp:assignee
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Doe Industries
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gptkbp:assigneeCountry
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gptkb:USA
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gptkbp:citedBy
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gptkb:US_1357972_A
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gptkbp:claims
|
10
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gptkbp:class
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F21V 29/00
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gptkbp:description
|
The invention provides a new and improved electric light fixture.
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gptkbp:drawings
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Figure 1 shows the fixture.
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gptkbp:examiner
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Jane_Smith
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gptkbp:fieldOfUse
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lighting
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gptkbp:filingCountry
|
gptkb:USA
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gptkbp:filingDate
|
1920-01-01
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https://www.w3.org/2000/01/rdf-schema#label
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US 1357971 A
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gptkbp:internationalClassification
|
H01H 9/00
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gptkbp:inventor
|
gptkb:John_Doe
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gptkbp:inventorCountry
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gptkb:USA
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gptkbp:inventorResidence
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gptkb:New_York
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gptkbp:issueDate
|
1920-10-12
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gptkbp:legalStatus
|
active
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gptkbp:maintenanceFee
|
paid
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gptkbp:patentCitation
|
gptkb:US_1357973_A
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gptkbp:patentClassification
|
H01
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gptkbp:patentExpiration
|
1940-10-12
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gptkbp:patentFamily
|
US_1357971_A_family
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gptkbp:patentNumber
|
1357971
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gptkbp:patentOffice
|
gptkb:USPTO
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gptkbp:patentType
|
granted patent
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gptkbp:priorityDate
|
1919-01-01
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gptkbp:relatedTo
|
US 1357970 A
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gptkbp:status
|
granted
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gptkbp:subclass
|
F21V 29/02
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gptkbp:title
|
Improvement in Electric Light Fixtures
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