US 4,321,128 A

URI: https://gptkb.org/entity/US_4%2C321%2C128_A
GPTKB entity
Statements (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 06/123,456
gptkbp:applicationType Utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,678,910_A
gptkbp:claims 10
gptkbp:documentType Patent Document
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1999-03-30
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1980-09-15
https://www.w3.org/2000/01/rdf-schema#label US 4,321,128 A
gptkbp:internationalClassification F16H 1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issuedOn 1982-03-30
gptkbp:language English
gptkbp:legalStatus Active
gptkbp:location gptkb:United_States
gptkbp:patentFamily US_4,321,128_A,_US_5,678,910_A
gptkbp:patentNumber 4321128
gptkbp:patentType Utility Patent
gptkbp:priorityDate 1980-09-15
gptkbp:relatedTo US_4,000,000_A
gptkbp:status granted
gptkbp:title Method for improving efficiency
gptkbp:USClassification 123/456