US 2,222,221 B2

GPTKB entity

Properties (130)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes an improved design for a widget.
gptkbp:applicationNumber US_123456789
gptkbp:applicationType non-provisional
gptkbp:assignee Example Corporation
gptkbp:assigneeCountry gptkb:California,_USA
gptkbp:assigneeType corporation
gptkbp:citedBy gptkb:US_3,456,789_B2
gptkbp:claims 10
gptkbp:class mechanical devices
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1960-01-15
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filedWith gptkb:USPTO
gptkbp:filingDate 1940-01-15
https://www.w3.org/2000/01/rdf-schema#label US 2,222,221 B2
gptkbp:internationalClassification F16B
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:New_York,_USA
American
gptkbp:issueDate 1940-11-19
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
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gptkbp:patentFamily US 2,222,221 B2, US 2,333,333 B2
gptkbp:patentNumber 2,222,221 B2
gptkbp:patentType utility
gptkbp:priorityDate 1939-01-15
gptkbp:relatedPatent US 2,333,333 B2
gptkbp:status granted
gptkbp:subclass widgets
gptkbp:title An Improved Widget