US 3,210,989 B9

URI: https://gptkb.org/entity/US_3%2C210%2C989_B9
GPTKB entity
Properties (58)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency.
gptkbp:applicationDate 1962-12-31
gptkbp:applicationNumber gptkb:US_3,210,989
gptkbp:applicationType non-provisional
gptkbp:assignee Example Corporation
gptkbp:citedBy US_4,000,000
gptkbp:claims 10
gptkbp:class mechanical device
gptkbp:description This patent describes a novel mechanism.
gptkbp:expirationDate 1982-10-19
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filedIn gptkb:United_States
gptkbp:filingDate 1962-12-31
https://www.w3.org/2000/01/rdf-schema#label US 3,210,989 B9
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1965-10-19
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:language English
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:numberOfFigures 5
gptkbp:patentAbstract English.
5 figures.
A method for improving efficiency in energy conversion.
gptkbp:patentAssignee Example_Corporation.
gptkbp:patentCitation 15
US_4,000,000.
gptkbp:patentClaim 10 claims.
gptkbp:patentClassification mechanical engineering
energy systems
F03G.
gptkbp:patentDescription This patent describes a novel mechanism.
gptkbp:patentExpiration 1982-10-19.
gptkbp:patentFamily gptkb:US_3,210,988_B9
gptkbp:patentFamilyMembers US 3,210,988 B9.
gptkbp:patentField mechanical engineering.
energy conversion devices.
gptkbp:patentFilingDate 1962-12-31.
gptkbp:patentInventor John_Doe.
USA.
gptkbp:patentMaintenanceFee paid.
gptkbp:patentNumber 5.
3,210,989
3,210,989.
US 3,210,989.
gptkbp:patentStatus granted.
expired.
gptkbp:patentType utility
non-provisional.
Utility patent for a mechanical device.
US 3,210,988 B9.
gptkbp:priorityDate 1962-12-31
gptkbp:relatedTo gptkb:US_3,210,988_B9
gptkbp:status expired
gptkbp:subclass energy conversion