US 500,123,446 B2

GPTKB entity

Properties (73)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving the efficiency of widgets.
gptkbp:applicationNumber 07/500,123
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy US 600,123,456 B2
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2011-03-19
gptkbp:fieldOfInvention Manufacturing
gptkbp:filingDate 1990-05-15
https://www.w3.org/2000/01/rdf-schema#label US 500,123,446 B2
gptkbp:internationalClassification B23P_15/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1991-03-19
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus Enforceable
gptkbp:maintenanceFee Paid
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gptkbp:patentFamily US 500,123,446 B2, US 600,123,456 B2
gptkbp:patentStatus Active
gptkbp:patentType Utility
gptkbp:priorityDate 1989-05-15
gptkbp:relatedTo gptkb:US_400,123,456_B2
gptkbp:title Method for improving widget efficiency