US Patent 3,987,654

GPTKB entity

Statements (31)
Predicate Object
gptkbp:instanceOf Patent
gptkbp:abstract A method for improving the efficiency of widget production.
gptkbp:applicationNumber 05/123,456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_Patent_4,123,456
gptkbp:claims 10 claims
gptkbp:class Manufacturing Processes
gptkbp:examiner Jane_Smith
gptkbp:fieldOfUse Manufacturing
gptkbp:filingDate April 1, 1975
https://www.w3.org/2000/01/rdf-schema#label US Patent 3,987,654
gptkbp:internationalClassification B29C_45/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn October 19, 1976
gptkbp:legalStatus Lapsed
gptkbp:maintenanceFee Paid
gptkbp:patentCitation Cited in 15 subsequent patents.
gptkbp:patentExpiration October 19, 1993
gptkbp:patentFamily US_Patent_Family_12345
gptkbp:patentNumber 3,987,654
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentType Utility Patent
Granted Patent
gptkbp:priorityDate March 15, 1975
gptkbp:relatedPatent US_Patent_3,876,543
gptkbp:status Expired
gptkbp:subclass Widget Production
gptkbp:title Method for Improving Widget Production
gptkbp:USClassification 29/123.456