US 3,000,789 B2

GPTKB entity

Statements (43)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A device for improving efficiency.
gptkbp:applicationNumber US_12345678
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_4,000,000_B2
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 1959-06-01
https://www.w3.org/2000/01/rdf-schema#label US 3,000,789 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1961-09-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:keywords efficiency, device, mechanical
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentAbstract A device for improving efficiency.
gptkbp:patentAssignee gptkb:Acme_Corp.
gptkbp:patentCitation US_2,500,000
gptkbp:patentClaim 10
gptkbp:patentClassification mechanical engineering
gptkbp:patentFamily US_3,000,789
gptkbp:patentField energy systems
gptkbp:patentFilingDate 1961-09-26
1959-06-01
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentLink https://patents.google.com/patent/US3000789B2
gptkbp:patentNumber 3000789
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus active
gptkbp:patentType granted
utility
gptkbp:priorityDate 1958-06-01
gptkbp:relatedTo US_2,000,000_B2
gptkbp:status active
gptkbp:subclass energy conversion