US 4,989,012 A

GPTKB entity

Properties (22)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing the efficiency of a manufacturing process.
gptkbp:applicationNumber 07/525,123
gptkbp:applicationType utility
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy gptkb:US_5,123,456_A
gptkbp:claims 20
gptkbp:class B01J 19/00
gptkbp:examiner Jane_Smith
gptkbp:fieldOfUse manufacturing
gptkbp:filingDate 1990-05-30
https://www.w3.org/2000/01/rdf-schema#label US 4,989,012 A
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 1991-01-29
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:location gptkb:United_States
gptkbp:patentFamily US_4,989,012_A,_US_5,123,456_A,_US_4,567,890_A
gptkbp:priorityDate 1989-05-30
gptkbp:relatedTo gptkb:US_4,567,890_A
gptkbp:status active
gptkbp:subclass B01J 19/10
gptkbp:title Method for improving efficiency of a process