US 4,890,149 B1

GPTKB entity

Properties (45)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for improving the efficiency of a process.
gptkbp:applicationNumber 07/327,123
gptkbp:applicationPublicationNumber gptkb:US_4,890,149_A1
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy US_5,123,456
gptkbp:claims 10
gptkbp:examiner Jane_Smith
gptkbp:expirationDate January 2, 2007
gptkbp:fieldOfInvention process engineering
gptkbp:filedIn gptkb:John_Doe
gptkbp:filingDate March 23, 1989
gptkbp:grantDate January 2, 1990
https://www.w3.org/2000/01/rdf-schema#label US 4,890,149 B1
gptkbp:internationalClassification C12M_1/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:USA
gptkbp:issuedBy January 2, 1990
gptkbp:legalStatus granted
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:patentAbstract This patent describes a method for improving process efficiency.
gptkbp:patentAssignee gptkb:XYZ_Corporation
gptkbp:patentCitation US_4,567,890
gptkbp:patentClaim Claims defining the scope of the invention.
gptkbp:patentClassification C12M
gptkbp:patentDescription Detailed description of the method and its applications.
gptkbp:patentExpiration January 2, 2007
gptkbp:patentFamily US_4,890,149_B1,_US_5,123,456,_US_6,789,012
gptkbp:patentField process engineering
gptkbp:patentFilingDate March 23, 1989
January 2, 1990
gptkbp:patentInventor gptkb:John_Doe
gptkbp:patentMaintenanceFee paid
gptkbp:patentNumber 4,890,149
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentStatus active
gptkbp:patentType utility
granted patent
gptkbp:priorityDate March 23, 1988
gptkbp:relatedTo US_4,567,890
gptkbp:status active
gptkbp:technology chemical engineering
gptkbp:title Method for improving efficiency of a process