US 400,123,427 B1

URI: https://gptkb.org/entity/US_400%2C123%2C427_B1
GPTKB entity
Properties (27)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract This patent describes a method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 07/123,456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_500,123,456
gptkbp:claims 20
gptkbp:class Mechanical_Systems
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 2011-07-09
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1990-01-01
https://www.w3.org/2000/01/rdf-schema#label US 400,123,427 B1
gptkbp:internationalClassification F03B_13/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedBy 1991-07-09
gptkbp:legalStatus active
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_400,123,427_B1,_US_400,123,426_B1
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1989-01-01
gptkbp:relatedTo gptkb:US_400,123,426_B1
gptkbp:status granted
gptkbp:subclass Efficiency Improvement
gptkbp:title Method for improving efficiency