US 4,890,144 B1

URI: https://gptkb.org/entity/US_4%2C890%2C144_B1
GPTKB entity
Properties (48)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing process efficiency.
gptkbp:applicationNumber 07/305,123
gptkbp:applicationType Non-Provisional
gptkbp:assignee gptkb:Acme_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 20
gptkbp:class C12M_1/00
gptkbp:coInventor gptkb:Alice_Johnson
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention Industrial Processes
gptkbp:fieldOfUse Manufacturing
gptkbp:filedWith gptkb:USPTO
gptkbp:filingDate February 1, 1989
gptkbp:grantDate January 2, 1990
https://www.w3.org/2000/01/rdf-schema#label US 4,890,144 B1
gptkbp:internationalClassification C12M_1/00
gptkbp:inventiveStep Yes
gptkbp:inventor gptkb:John_Doe
gptkbp:issuedBy January 2, 1990
gptkbp:legalStatus Granted
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee Paid
gptkbp:novelty Yes
gptkbp:patentAssignee gptkb:Acme_Corporation
gptkbp:patentCitation US_4,567,890
gptkbp:patentClassification C12M
C12M_1/00
gptkbp:patentExpiration January 2, 2007
gptkbp:patentFamily US_4,890,144_B1,_US_5,123,456,_US_6,789,012
gptkbp:patentFamilyMembers gptkb:US_4,890,144_B1
gptkbp:patentFilingDate January 2, 1990
February 1, 1989
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentMaintenanceFee Paid
gptkbp:patentNumber 4,890,144
gptkbp:patentOffice gptkb:United_States_Patent_and_Trademark_Office
gptkbp:patentStatus Active
gptkbp:patentType Utility Patent
Granted Patent
gptkbp:priorityDate February 1, 1988
gptkbp:relatedPatent gptkb:US_4,890,143_B1
gptkbp:relatedTo gptkb:US_4,890,143_B1
gptkbp:status Active
gptkbp:subclass C12M 1/02
gptkbp:technologyArea Process Engineering
gptkbp:title Method for improving the efficiency of a process
gptkbp:utility Yes