US 2345681 B

URI: https://gptkb.org/entity/US_2345681_B
GPTKB entity
Statements (30)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved method for manufacturing widgets.
gptkbp:applicationNumber US_123456
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:Los_Angeles,_CA
gptkbp:citedBy US_3456789_B
gptkbp:claims 10
gptkbp:classification Class 123
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1961-04-25
gptkbp:fieldOfInvention Manufacturing
gptkbp:filedIn gptkb:John_Doe
gptkbp:filingDate 1941-01-15
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US 2345681 B
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:New_York,_NY
gptkbp:issueDate 1944-04-25
gptkbp:language English
gptkbp:maintenanceFee Paid
gptkbp:patentFamily US_2345681_B,_US_3456789_B,_US_4567890_B
gptkbp:patentNumber 2345681
gptkbp:patentType Granted
gptkbp:priorityDate 1940-12-01
gptkbp:relatedTo US_1234567_B
gptkbp:status Expired
gptkbp:subclass 123/456
gptkbp:title Improvement in Widget Manufacturing