US 2345680 C

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to electric light fixtures.
gptkbp:applicationNumber gptkb:US_2345680
gptkbp:assignee Doe Industries
gptkbp:citedBy gptkb:US_3456789_A
gptkbp:claims 10
gptkbp:class F21V 21/00
gptkbp:fieldOfUse lighting
gptkbp:filingDate 1941-01-31
https://www.w3.org/2000/01/rdf-schema#label US 2345680 C
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1944-04-25
gptkbp:legalEvent patent granted
patent expired
patent reissued
maintenance fee paid
patent reexamination requested
gptkbp:patentNumber 2345680
gptkbp:priorityDate 1941-01-31
gptkbp:relatedTo gptkb:US_1234567_A
gptkbp:status expired
gptkbp:subclass F21V 21/10
gptkbp:title Improvement in Electric Light Fixtures