US 1,890,105 A

URI: https://gptkb.org/entity/US_1%2C890%2C105_A
GPTKB entity
Properties (29)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to electric light fixtures.
gptkbp:applicationNumber US_1,890,105
gptkbp:applicationStatus granted
gptkbp:assignee Doe Industries
gptkbp:citedBy US_2,345,678_A
gptkbp:claims 10
gptkbp:class F21S_8/00
gptkbp:expirationDate 1949-12-20
gptkbp:fieldOfUse illumination
gptkbp:filingDate 1932-01-12
https://www.w3.org/2000/01/rdf-schema#label US 1,890,105 A
gptkbp:internationalClassification H01H 9/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:New_York,_NY
gptkbp:issueDate 1932-12-20
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalEvent assignment recorded
gptkbp:maintenanceFee paid
gptkbp:patentCitation US_1,234,567_A
gptkbp:patentClassification H01
gptkbp:patentFamily US_1,890,105_A,_US_2,345,678_A
gptkbp:patentNumber 1,890,105
gptkbp:patentType utility
gptkbp:priorArt US_1,234,567_A
gptkbp:relatedTo lighting technology
gptkbp:status expired
gptkbp:subclass F21S 8/10
gptkbp:title Improvement in Electric Light Fixtures