US 3,456,878 A

URI: https://gptkb.org/entity/US_3%2C456%2C878_A
GPTKB entity
Statements (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving the efficiency of a mechanical system.
gptkbp:applicationNumber US_3,456,878
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_4,567,890_A
gptkbp:claims 10
gptkbp:class Mechanical_Systems
gptkbp:country gptkb:United_States
gptkbp:documentType Patent Document
gptkbp:examiner Jane_Smith
gptkbp:expirationDate July 15, 1986
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate March 12, 1968
https://www.w3.org/2000/01/rdf-schema#label US 3,456,878 A
gptkbp:internationalClassification F03G
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn July 15, 1969
gptkbp:language English
gptkbp:legalStatus Lapsed
gptkbp:patentFamily US_3,456,878_A,_US_3,456,877_A
gptkbp:patentNumber 3,456,878
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentType Utility Patent
gptkbp:priorityDate January 10, 1967
gptkbp:publicationNumber gptkb:US_3,456,878_A
gptkbp:relatedTo gptkb:US_3,456,877_A
gptkbp:status Expired
gptkbp:subclass Energy Efficiency
gptkbp:title Method for improving efficiency