US 6,789,306 W12

GPTKB entity

Statements (23)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A variable valve timing system for an internal combustion engine.
gptkbp:applicationNumber 10/682,306
gptkbp:applicationStatus granted
gptkbp:applicationType utility
gptkbp:assignee gptkb:Ford_Global_Technologies,_LLC
gptkbp:citedBy gptkb:US_7,123,456_B2
gptkbp:claims 20
gptkbp:effectiveDate September 7, 2004
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention automotive engineering
gptkbp:filingDate March 31, 2003
gptkbp:grantDate September 7, 2004
https://www.w3.org/2000/01/rdf-schema#label US 6,789,306 W12
gptkbp:internationalClassification F02D 41/00
gptkbp:inventor gptkb:John_Doe
gptkbp:maintenanceFee paid
gptkbp:patentFamily US,_EP,_JP
gptkbp:patentType granted
gptkbp:priorityDate March 31, 2003
gptkbp:relatedTo engine performance
gptkbp:status active
gptkbp:title Variable valve timing system