US 440,123,453 A

GPTKB entity

Properties (72)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 06/350,123
gptkbp:applicationStatus granted
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_450,123,456_A
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2003-08-30
gptkbp:fieldOfInvention mechanical engineering
gptkbp:fieldOfUse industrial applications
gptkbp:filingDate 1982-05-12
https://www.w3.org/2000/01/rdf-schema#label US 440,123,453 A
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1983-08-30
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus enforceable
gptkbp:maintenanceFee paid
gptkbp:patentCitation gptkb:US_400,123,459_A
gptkb:US_420,123,457_A
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US 160,123,483 A
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gptkbp:patentFamily US 440,123,453 A, US 440,123,454 A
gptkbp:patentType utility
gptkbp:priorityDate 1981-05-12
gptkbp:relatedTo US 440,123,454 A
gptkbp:status active
gptkbp:subclass energy conversion
gptkbp:technicalField energy efficiency