US 50,000,034 B2

GPTKB entity

Properties (64)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving the efficiency of a mechanical system.
gptkbp:applicationNumber 07/516,123
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:assigneeCountry gptkb:USA
gptkbp:citedBy gptkb:US_50,000,035_B2
gptkbp:claims 10
gptkbp:class Mechanical_Systems
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1990-05-15
gptkbp:hasFeature 1996-03-26
2021-03-26
https://www.w3.org/2000/01/rdf-schema#label US 50,000,034 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate 1991-03-26
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Required
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gptkbp:patentExpiration 2011-03-26
gptkbp:patentFamily US_50,000,034_B2,_US_50,000,035_B2
gptkbp:patentLength 20 years
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1989-05-15
gptkbp:relatedTo gptkb:US_50,000,036_B2
gptkbp:status Active
gptkbp:subclass Energy Efficiency
gptkbp:title Method for improving efficiency