|
gptkbp:instanceOf
|
patent
|
|
gptkbp:applicationNumber
|
US_1234598
|
|
gptkbp:applicationStatus
|
Granted
|
|
gptkbp:applicationType
|
Non-Provisional
|
|
gptkbp:assignee
|
Doe Industries
|
|
gptkbp:assigneeCountry
|
gptkb:Los_Angeles,_CA
gptkb:USA
|
|
gptkbp:citedBy
|
gptkb:US_4567890_A
|
|
gptkbp:claims
|
10
|
|
gptkbp:class
|
F21V 21/00
|
|
gptkbp:description
|
This invention relates to electric light fixtures.
|
|
gptkbp:examiner
|
gptkb:James_Smith
|
|
gptkbp:fieldOfInvention
|
Electrical Engineering
|
|
gptkbp:fieldOfUse
|
Lighting
|
|
gptkbp:filingDate
|
1917-01-01
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 1234598 A
|
|
gptkbp:internationalClassification
|
H01R 13/00
|
|
gptkbp:inventor
|
gptkb:John_Doe
|
|
gptkbp:inventorCountry
|
gptkb:USA
|
|
gptkbp:inventorResidence
|
gptkb:New_York,_NY
|
|
gptkbp:issuedBy
|
gptkb:United_States_Patent_and_Trademark_Office
|
|
gptkbp:legalStatus
|
Expired due to non-payment of maintenance fees
|
|
gptkbp:maintenanceFee
|
Not Paid
|
|
gptkbp:patentAbstract
|
Design of light fixture
Examined on 1917-05-01.
Filed on 1916-01-01.
An electric light fixture designed to improve illumination.
Assigned_to_Doe_Industries.
|
|
gptkbp:patentAssignee
|
American
|
|
gptkbp:patentCitation
|
Cited by 5 other patents.
|
|
gptkbp:patentDescription
|
Innovative design for better light dispersion.
|
|
gptkbp:patentExpiration
|
1937-01-01
|
|
gptkbp:patentFamily
|
A fixture that enhances the distribution of light.
US_1234598_A,_US_4567890_A
|
|
gptkbp:patentField
|
Lighting_Technology
|
|
gptkbp:patentFilingDate
|
1932-01-01
1917-10-02
|
|
gptkbp:patentImage
|
link_to_image.jpg
|
|
gptkbp:patentInventor
|
American
electric light, fixture, improvement
John_Doe,_Jane_Smith
|
|
gptkbp:patentLitigation
|
nan
|
|
gptkbp:patentMaintenanceFee
|
Improves lighting efficiency.
|
|
gptkbp:patentNumber
|
1234598
|
|
gptkbp:patentStatus
|
Expired due to non-payment.
Maintenance fee reminder mailed.
|
|
gptkbp:patentType
|
Utility Patent
|
|
gptkbp:priorityDate
|
1916-01-01
|
|
gptkbp:publicationDate
|
1917-10-02
|
|
gptkbp:relatedPatent
|
gptkb:US_2345678_A
|
|
gptkbp:relatedTo
|
US 9876543 A
|
|
gptkbp:status
|
Expired
|
|
gptkbp:subclass
|
F21V 21/02
|
|
gptkbp:title
|
Improvement in Electric Light Fixtures
|