US 4,000,019 B2

URI: https://gptkb.org/entity/US_4%2C000%2C019_B2
GPTKB entity
Properties (39)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving energy efficiency in industrial processes.
gptkbp:applicationDate 1975-06-15
gptkbp:applicationNumber US_05/123,456
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_4,500,000
gptkbp:claims 10
gptkbp:class Energy Conservation
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1994-12-28
gptkbp:fieldOfInvention energy efficiency
gptkbp:filedIn 1976-06-15
https://www.w3.org/2000/01/rdf-schema#label US 4,000,019 B2
gptkbp:internationalClassification F24J 2/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn 1977-12-28
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Paid
gptkbp:patentAbstract A method for improving energy efficiency in industrial processes.
gptkbp:patentAssignee gptkb:Acme_Corporation
gptkbp:patentCitation US_3,500,000
gptkbp:patentClassification Class 123
gptkbp:patentExpiration 1994-12-28
gptkbp:patentFamily US_4,000,019_B2,_US_4,500,000,_US_4,600,000
gptkbp:patentField Energy Efficiency
gptkbp:patentFilingDate 1977-12-28
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentMaintenanceFee Paid
gptkbp:patentNumber 4,000,019
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentStatus Granted
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1975-06-15
gptkbp:relatedTo US 3,999,999 B2
gptkbp:status active
gptkbp:subclass Process Optimization
gptkbp:technologyArea Renewable Energy
gptkbp:title Method for improving efficiency