US 1540000 A

GPTKB entity

Properties (18)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to electric light fixtures.
gptkbp:applicationNumber US_1540000
gptkbp:assignee Doe Industries
gptkbp:citedBy US_2000000_A
gptkbp:claims 1. An electric light fixture comprising...
gptkbp:class F21V 21/00
gptkbp:description An electric light fixture designed to improve illumination.
gptkbp:fieldOfUse lighting
gptkbp:filingDate 1924-01-14
https://www.w3.org/2000/01/rdf-schema#label US 1540000 A
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1925-06-23
gptkbp:patentNumber 1540000
gptkbp:priorityDate 1924-01-14
gptkbp:relatedTo US_1539999_A
gptkbp:status granted
gptkbp:title Improvement in Electric Light Fixtures