US 450,000,028 B2

GPTKB entity

Properties (23)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 06/307,123
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_450,000,029_B2
gptkbp:claims 20
gptkbp:class mechanical apparatus
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention mechanical engineering
gptkbp:filingDate March 15, 1982
gptkbp:firstClaim A mechanical device comprising...
https://www.w3.org/2000/01/rdf-schema#label US 450,000,028 B2
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_450,000,028_B2,_US_450,000,029_B2,_US_450,000,030_B2
gptkbp:patentType utility
gptkbp:priorityDate March 15, 1982
gptkbp:relatedTo US_450,000,030_B2
gptkbp:status active
gptkbp:subclass energy conversion