US 450,987,690 B2

URI: https://gptkb.org/entity/US_450%2C987%2C690_B2
GPTKB entity
Statements (35)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber 06/307,123
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:designatedAs gptkb:USA
gptkbp:examiner Jane_Smith
gptkbp:expirationDate March 15, 2002
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate March 15, 1982
https://www.w3.org/2000/01/rdf-schema#label US 450,987,690 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate March 19, 1985
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:license available
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This invention relates to a mechanism for converting energy.
gptkbp:patentCitation US_4,567,890
gptkbp:patentDescription Detailed description of the invention.
Energy Conversion Mechanism
gptkbp:patentFamily US_450,987,690_B2,_US_450,987,691_B2
gptkbp:patentImage image_url_here
gptkbp:patentLitigation none
gptkbp:patentNumber 450987690
gptkbp:patentOwner gptkb:Acme_Corporation
gptkbp:patentType utility
gptkbp:priorityDate March 15, 1981
gptkbp:relatedTo gptkb:US_450,987,689_B2
gptkbp:status active
gptkbp:subclass energy conversion
gptkbp:technicalField renewable energy