US 2,123,421 C1

URI: https://gptkb.org/entity/US_2%2C123%2C421_C1
GPTKB entity
Properties (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved method for manufacturing widgets.
gptkbp:applicationNumber US_1234567
gptkbp:applicationType Non-Provisional
gptkbp:assignee Doe Industries
gptkbp:citedBy gptkb:US_3,456,789_B2
gptkbp:claims 10
gptkbp:classification Class 123, Subclass 456
gptkbp:documentType Utility Patent
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Manufacturing Technology
gptkbp:filingDate 1937-01-12
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US 2,123,421 C1
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence American
gptkbp:issueDate 1938-07-12
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:legalStatus Lapsed
gptkbp:location gptkb:USA
gptkbp:maintenanceFee Not Paid
gptkbp:patentFamily US_2,123,421
gptkbp:patentInventor 20 years
gptkbp:priorityDate 1936-01-12
gptkbp:relatedTo US_2,123,420_C1
gptkbp:status Expired
gptkbp:title Improvement in Widget Manufacturing