US 3,000,015 C1

GPTKB entity

Properties (27)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_3,000,015
gptkbp:assignee Doe Industries
gptkbp:citedBy US_3,500,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanism.
gptkbp:drawings 5
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1959-05-01
gptkbp:firstClaim A device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 3,000,015 C1
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1961-09-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentFamily Doe Patent Family
gptkbp:patentType utility
gptkbp:priorityDate 1958-05-01
gptkbp:relatedTo US_2,500,000
gptkbp:status active
gptkbp:subclass energy conversion