US 2233453

URI: https://gptkb.org/entity/US_2233453
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved method for manufacturing widgets.
gptkbp:applicationNumber US_123456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:Los_Angeles,_CA
gptkbp:citedBy gptkb:US_7654321
US_1234567
gptkbp:claims 10
gptkbp:classification Class 123
gptkbp:documentType Utility Patent
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Manufacturing
gptkbp:filingDate 1940-01-01
gptkbp:firstClaim A widget comprising...
https://www.w3.org/2000/01/rdf-schema#label US 2233453
gptkbp:internationalClassification B23P_15/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:New_York,_NY
gptkbp:issueDate 1941-03-04
gptkbp:language English
gptkbp:legalStatus Lapsed
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee Paid
gptkbp:patentFamily US_2233453_Family
gptkbp:patentInventor 20 years
gptkbp:patentNumber 2233453
gptkbp:priorityDate 1939-01-01
gptkbp:relatedPatent US_2233454
gptkbp:status Expired
gptkbp:title Improvement in Widget Manufacturing