US 450,000,029 B2

GPTKB entity

Properties (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A novel mechanism for improving efficiency.
gptkbp:applicationNumber US_06/307,123
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_450,000,030_B2
gptkbp:claims 20
gptkbp:class mechanical device
gptkbp:description This patent describes a mechanism for...
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 450,000,029 B2
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate February 19, 1985
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_450,000,029_B2_family
gptkbp:patentType utility
gptkbp:priorityDate March 15, 1982
gptkbp:relatedTo gptkb:US_450,000,028_B2
gptkbp:status active
gptkbp:subclass energy conversion