US 4,789,012 C

GPTKB entity

Properties (44)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving energy efficiency in industrial processes.
gptkbp:applicationNumber 07/198,765
gptkbp:applicationPublicationNumber US_07/198,765_A1
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 20
gptkbp:country gptkb:United_States
gptkbp:documentType patent grant
gptkbp:examiner Jane_Smith
gptkbp:expirationDate December 6, 2008
gptkbp:fieldOfInvention energy efficiency
gptkbp:filingDate May 23, 1988
https://www.w3.org/2000/01/rdf-schema#label US 4,789,012 C
gptkbp:internationalClassification H02J 3/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedOn December 6, 1988
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentCitation gptkb:US_4,567,890_A
gptkbp:patentClassification industrial processes
CPC_H02J_3/00
gptkbp:patentExpiration December 6, 2008
gptkbp:patentFamily US_4,789,012_C,_US_5,123,456_A
gptkbp:patentField energy efficiency
gptkbp:patentFilingDate December 6, 1988
gptkbp:patentNumber 4,789,012
gptkbp:patentOwner gptkb:Acme_Corporation
gptkbp:patentStatus active
December 6, 2003
maintenance fee paid
maintenance fee payment
gptkbp:patentType Utility Patent
regular
utility
non-provisional
full grant
gptkbp:priorityDate May 23, 1987
gptkbp:relatedTo gptkb:US_4,567,890_A
gptkbp:status active
gptkbp:title Method for improving efficiency