US 4,321,180

GPTKB entity

Statements (88)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving energy efficiency in industrial processes.
gptkbp:applicationNumber 06/123,456
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy US_5,678,910
gptkbp:claims 10
gptkbp:class Energy Conservation
gptkbp:examiner Jane_Smith
gptkbp:expirationDate March 30, 1999
gptkbp:fieldOfInvention energy efficiency
gptkbp:filingDate March 30, 1981
gptkbp:firstCommandingOfficer July 15, 1981
gptkbp:firstHeld nan
https://www.w3.org/2000/01/rdf-schema#label US 4,321,180
gptkbp:internationalClassification F24J 3/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedBy March 30, 1982
gptkbp:legalStatus Active
gptkbp:maintenanceFee Paid
gptkbp:patentCitation US 4,300,000
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gptkbp:patentFamily US_4,321,180_family
gptkbp:patentType Utility Patent
gptkbp:priorityDate June 15, 1981
gptkbp:relatedPatent gptkb:US_4,321,181
gptkbp:status granted
gptkbp:subclass Process Optimization
gptkbp:title Method for improving efficiency