US 3,210,984 B1

GPTKB entity

Properties (23)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber US_2,123,456
gptkbp:assignee Example Corporation
gptkbp:citedBy US_4,567,890
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1962-05-14
gptkbp:firstClaim A device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 3,210,984 B1
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1965-10-12
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:maintenanceFee required
gptkbp:patentLength 20 years
gptkbp:patentType utility
gptkbp:priorityDate 1961-05-14
gptkbp:relatedTo gptkb:US_3,210,983_B1
gptkbp:status active
gptkbp:subclass energy conversion