US 4,890,128 B1

GPTKB entity

Properties (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving efficiency in industrial processes.
gptkbp:applicationNumber 07/327,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkb:New_York
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention industrial processes
gptkbp:filingDate March 23, 1989
gptkbp:firstClaim A method for...
gptkbp:grantDate January 2, 1990
https://www.w3.org/2000/01/rdf-schema#label US 4,890,128 B1
gptkbp:internationalClassification B01J 19/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issuedBy January 2, 1990
gptkbp:legalStatus granted
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:patentFamily US_4,890,128_B1,_US_5,123,456,_US_6,789,012
gptkbp:patentLength 20 years
gptkbp:patentType utility
gptkbp:priorityDate March 23, 1988
gptkbp:relatedPatent US_4,567,890
gptkbp:status active
gptkbp:title Method for improving efficiency of a process