US 1516170 B3

GPTKB entity

Statements (45)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to electric light fixtures.
gptkbp:applicationNumber US_1516170
gptkbp:applicationPublicationNumber US_1516170_A1
gptkbp:applicationStatus active
gptkbp:applicationType non-provisional
gptkbp:assignee Doe Industries
gptkbp:assigneeCountry gptkb:California,_USA
gptkbp:citedBy gptkb:US_1234567_B1
gptkb:US_7654321_B2
gptkbp:claims 10
gptkbp:class F21V 21/00
gptkbp:designatedAs gptkb:US
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2044-01-14
gptkbp:fieldOfInvention Electrical engineering
gptkbp:fieldOfUse lighting technology
gptkbp:filingDate 1924-01-14
https://www.w3.org/2000/01/rdf-schema#label US 1516170 B3
gptkbp:internationalClassification H01H 9/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:New_York,_USA
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalEvent patent granted
patent expired
patent reissued
patent maintained
patent cited by examiner
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:patentCitation gptkb:US_2345678_B2
US 9876543 B1
gptkbp:patentExpiration 20 years from filing date
gptkbp:patentFamily US_1516170_B3,_US_1516171_B3
gptkbp:patentNumber 1516170
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType utility
granted patent
gptkbp:priorityDate 1923-01-14
gptkbp:publicationDate 1924-11-04
gptkbp:relatedTo gptkb:US_1516171_B3
gptkbp:status granted
gptkbp:subclass F21V 21/02
gptkbp:technicalField Lighting fixtures
gptkbp:title Improvement in Electric Light Fixtures