US 05,000,139 B2

GPTKB entity

Properties (66)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 07/327,123
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy gptkb:US_06,123,456_A1
gptkbp:claims 20
gptkbp:class Mechanical_Systems
gptkbp:country gptkb:United_States
gptkbp:description This patent describes a method for enhancing the efficiency of mechanical systems.
gptkbp:examiner Jane_Smith
gptkbp:expirationDate March 19, 2011
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate March 19, 1990
https://www.w3.org/2000/01/rdf-schema#label US 05,000,139 B2
gptkbp:internationalClassification F03B_13/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedOn March 19, 1991
gptkbp:language English
gptkbp:legalStatus Enforceable
gptkbp:maintenanceFee Paid
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US 05,000,140 B2
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US_04,500,000_A
gptkbp:patentFamily US 05,000,139 B2, US 05,000,140 B2
gptkbp:patentNumber 5000139
gptkbp:patentType Utility Patent
gptkbp:priorityDate March 19, 1990
gptkbp:publications Granted Patent
gptkbp:relatedPatent US 05,000,140 B2
gptkbp:status Active
gptkbp:subclass Efficiency Improvement
gptkbp:title Method for improving efficiency