|
gptkbp:instanceOf
|
patent
|
|
gptkbp:abstract
|
This invention relates to electric light fixtures.
|
|
gptkbp:applicationDate
|
1919-01-01
|
|
gptkbp:applicationNumber
|
US_1357978
|
|
gptkbp:applicationType
|
non-provisional
|
|
gptkbp:assignee
|
Doe Industries
|
|
gptkbp:citedBy
|
gptkb:US_1357979_A
|
|
gptkbp:claims
|
10
|
|
gptkbp:classification
|
H01H 9/00
|
|
gptkbp:description
|
An electric light fixture designed to improve efficiency.
|
|
gptkbp:examiner
|
Jane_Smith
|
|
gptkbp:fieldOfUse
|
lighting
|
|
gptkbp:filingDate
|
1920-01-01
|
|
gptkbp:grantDate
|
1920-10-12
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
US 1357978 A
|
|
gptkbp:inventor
|
gptkb:John_Doe
|
|
gptkbp:inventorCountry
|
gptkb:USA
|
|
gptkbp:inventorResidence
|
gptkb:New_York
|
|
gptkbp:issuedBy
|
gptkb:United_States_Patent_and_Trademark_Office
|
|
gptkbp:language
|
English
|
|
gptkbp:legalStatus
|
granted
|
|
gptkbp:location
|
gptkb:USA
|
|
gptkbp:maintenanceFee
|
required
|
|
gptkbp:patentCitation
|
gptkb:US_1357977_A
|
|
gptkbp:patentClassification
|
lighting fixtures
H01H
H01
|
|
gptkbp:patentExpiration
|
1940-01-01
|
|
gptkbp:patentFamily
|
Doe_Electric_Fixtures
|
|
gptkbp:patentField
|
mechanical engineering
|
|
gptkbp:patentLength
|
20 years
|
|
gptkbp:patentNumber
|
1357978
|
|
gptkbp:patentOffice
|
gptkb:USPTO
|
|
gptkbp:patentStatus
|
active
|
|
gptkbp:patentType
|
utility
Utility patent
|
|
gptkbp:priorityDate
|
1919-01-01
|
|
gptkbp:relatedPatent
|
gptkb:US_1357980_A
|
|
gptkbp:relatedTo
|
electricity
|
|
gptkbp:status
|
active
|
|
gptkbp:title
|
Improvement in Electric Light Fixtures
|