US 4,321,122 A

GPTKB entity

Statements (24)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in mechanical systems.
gptkbp:applicationNumber 06/123,456
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,678,901_A
gptkbp:claims 10
gptkbp:classification F01B 3/00
gptkbp:documentType Utility Patent
gptkbp:examiner Jane_Smith
gptkbp:expirationDate 1999-03-30
gptkbp:fieldOfInvention Mechanical Engineering
gptkbp:filingDate 1980-05-15
https://www.w3.org/2000/01/rdf-schema#label US 4,321,122 A
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedOn 1982-03-30
gptkbp:language English
gptkbp:legalStatus Active
gptkbp:location gptkb:United_States
gptkbp:patentFamily US_4,321,122_A,_US_5,678,901_A
gptkbp:priorityDate 1980-05-15
gptkbp:relatedPatent gptkb:US_4,567,890_A
gptkbp:status granted
gptkbp:title Method for improving efficiency