US 4,890,159 B1

GPTKB entity

Properties (28)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving data processing efficiency.
gptkbp:applicationNumber 07/307,123
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:expirationDate January 2, 2007
gptkbp:fieldOfInvention data processing
gptkbp:filingDate February 7, 1989
gptkbp:firstClaim A method for processing data.
gptkbp:grantDate January 2, 1990
https://www.w3.org/2000/01/rdf-schema#label US 4,890,159 B1
gptkbp:internationalClassification G06F 15/16
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedBy January 2, 1990
gptkbp:legalStatus expired
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:patentCitation US_4,567,890,_US_4,567,891
gptkbp:patentFamily US_4,890,159_B1,_US_5,123,456
gptkbp:patentNumber 4890159
gptkbp:patentType utility
gptkbp:priorArt US_4,567,890
gptkbp:relatedPatent US_4,567,891
gptkbp:status active
gptkbp:title Method for improving data processing