US 391,111,111 B2

GPTKB entity

Statements (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 05/123,456
gptkbp:assignee Example Corporation
gptkbp:citedBy gptkb:US_392,222,222_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a mechanism for...
gptkbp:examiner Jane_Smith
gptkbp:expirationDate October 14, 1992
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate September 15, 1975
https://www.w3.org/2000/01/rdf-schema#label US 391,111,111 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate October 14, 1975
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_391,111,111_B2,_US_391,111,112_B2
gptkbp:patentType utility
gptkbp:priorityDate March 1, 1974
gptkbp:relatedTo US_390,000,000_B2
gptkbp:status active
gptkbp:subclass energy conversion