US 4,000,455 B2

URI: https://gptkb.org/entity/US_4%2C000%2C455_B2
GPTKB entity
Statements (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber gptkb:US_4,000,455
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,000,000
gptkbp:claims 10
gptkbp:class Mechanical_Systems
gptkbp:country gptkb:United_States
gptkbp:documentType Patent Document
gptkbp:examiner Jane_Smith
gptkbp:expirationDate January 4, 1994
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate September 15, 1975
https://www.w3.org/2000/01/rdf-schema#label US 4,000,455 B2
gptkbp:internationalClassification F03B_13/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn January 4, 1977
gptkbp:language English
gptkbp:legalStatus Granted
gptkbp:patentFamily US_4,000,455_B2,_US_5,000,000
gptkbp:patentNumber 4,000,455
gptkbp:patentType Utility Patent
gptkbp:priorityDate March 15, 1975
gptkbp:relatedTo US_3,000,000
gptkbp:status Active
gptkbp:subclass Efficiency Improvement
gptkbp:title Method for improving efficiency