US 1597532

GPTKB entity

Statements (33)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract An electric light fixture with improved design.
gptkbp:applicationNumber US_1234567
gptkbp:applicationStatus abandoned
gptkbp:applicationType utility
gptkbp:assignee Doe Industries
gptkbp:citedBy US_1234568
gptkbp:claims 10
gptkbp:class F21S_4/00
gptkbp:country gptkb:United_States
gptkbp:description This patent describes an improvement in electric light fixtures.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1943-05-25
gptkbp:fieldOfUse lighting technology
gptkbp:filingDate 1925-01-15
https://www.w3.org/2000/01/rdf-schema#label US 1597532
gptkbp:inventiveStep Yes
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:New_York
gptkbp:issuedBy 1926-05-25
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:patentClassification H01
gptkbp:patentFamily US_1597532_family
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType granted patent
gptkbp:priorityDate 1925-01-15
gptkbp:publicationNumber gptkb:US_1597532_A
gptkbp:relatedTo gptkb:US_1597531
gptkbp:status expired
gptkbp:subclass F21V 29/00
gptkbp:technicalField Electrical engineering
gptkbp:title Improvement in Electric Light Fixtures