US 5,003,456 A1

GPTKB entity

Statements (24)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in manufacturing.
gptkbp:applicationNumber 07/407,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention engineering
gptkbp:filingDate September 12, 1989
https://www.w3.org/2000/01/rdf-schema#label US 5,003,456 A1
gptkbp:internationalClassification B01D 53/86
gptkbp:inventor gptkb:Alice_Johnson
gptkb:John_Doe
gptkbp:issuedBy March 26, 1991
gptkbp:legalStatus granted
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_5,003,456_A1,_US_5,123,456,_US_5,234,567
gptkbp:patentType utility
gptkbp:priorityDate September 12, 1989
gptkbp:publicationDate March 26, 1991
gptkbp:relatedTo US_4,987,654
gptkbp:status active
gptkbp:title Method for improving efficiency