US 2,000,654 B2

GPTKB entity

Properties (27)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_05/800,000
gptkbp:assignee Doe Industries
gptkbp:citedBy US_3,000,000_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanical device.
gptkbp:drawings 5
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1996-06-05
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1977-06-30
gptkbp:firstClaim A device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 2,000,654 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1979-06-05
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 1976-06-30
gptkbp:relatedTo US_1,000,000_B2
gptkbp:status active
gptkbp:subclass energy efficiency