US 4,890,078 B2

URI: https://gptkb.org/entity/US_4%2C890%2C078_B2
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationDate January 15, 1989
gptkbp:applicationNumber 07/305,123
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_B2
gptkbp:claims 20
gptkbp:class Mechanical_Systems
gptkbp:examiner Jane_Smith
gptkbp:expirationDate January 2, 2007
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filedIn gptkb:John_Doe
https://www.w3.org/2000/01/rdf-schema#label US 4,890,078 B2
gptkbp:internationalClassification F03D 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn January 2, 1990
gptkbp:legalStatus Expired
gptkbp:location gptkb:United_States
gptkbp:patentCitation gptkb:US_4,567,890_B2
gptkbp:patentClassification Class 123
gptkbp:patentFamily US_4,890,078_B2,_US_5,123,456_B2
gptkbp:patentNumber 4890078
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType Utility Patent
gptkbp:priorityDate March 15, 1988
gptkbp:relatedTo gptkb:US_4,567,890_B2
gptkbp:status Active
gptkbp:subclass Efficiency Improvement
gptkbp:title Method for improving efficiency