US 1,890,027 B2

GPTKB entity

Properties (37)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improvement in electric light fixtures.
gptkbp:applicationDate 1932-01-12
gptkbp:applicationNumber US_1,890,027
gptkbp:applicationType non-provisional
gptkbp:assignee Doe Industries
gptkbp:citedBy gptkb:US_2,345,678_B2
gptkbp:claims 10 claims
gptkbp:classification H01H 9/00
gptkbp:description The invention relates to electric light fixtures.
gptkbp:drawings 3 drawings included.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2012-12-20
gptkbp:fieldOfInvention Electrical engineering
gptkbp:figure Figure 1 shows the design of the fixture.
gptkbp:filingDate 1932-01-12
https://www.w3.org/2000/01/rdf-schema#label US 1,890,027 B2
gptkbp:internationalClassification H01H 9/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:New_York
American
gptkbp:issueDate 1932-12-20
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:patentAbstract An electric light fixture with improved design.
gptkbp:patentCitation cited in 5 other patents.
gptkbp:patentClaim Claim 1: A fixture comprising...
gptkbp:patentFamily US_1,890,027_B2_family
gptkbp:patentLength 20 years
gptkbp:patentNumber 1,890,027
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus granted
gptkbp:patentType utility patent
gptkbp:priorityDate 1931-01-12
gptkbp:relatedTo lighting technology
gptkbp:title Improvement in Electric Light Fixtures