US 4,987,123

GPTKB entity

Statements (21)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This invention relates to a method for improving the efficiency of widgets.
gptkbp:applicationNumber 07/123,456
gptkbp:assignee gptkb:Widget_Corp.
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Manufacturing
gptkbp:filingDate 1990-06-01
https://www.w3.org/2000/01/rdf-schema#label US 4,987,123
gptkbp:internationalClassification B23P_15/00
gptkbp:issuedBy gptkb:John_Doe
gptkbp:issuedOn 1991-01-15
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Paid
gptkbp:patentFamily US_4,987,123_family
gptkbp:patentType Utility
gptkbp:priorityDate 1989-06-01
gptkbp:relatedPatent gptkb:US_4,123,456
gptkbp:status Active
gptkbp:title A Method for Improving Widget Efficiency