US 3,000,061 B2

GPTKB entity

Properties (100)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber gptkb:US_3,000,061
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy US_3,500,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanism.
gptkbp:drawings included
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1981-09-26
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate 1959-05-01
https://www.w3.org/2000/01/rdf-schema#label US 3,000,061 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 1961-09-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentCitation US 4,300,000
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gptkbp:patentFamily US_3,000,061_B2_family
gptkbp:patentType utility
gptkbp:priorityDate 1958-05-01
gptkbp:relatedTo US_2,500,000
gptkbp:status active
gptkbp:subclass energy conversion
gptkbp:technicalField energy efficiency