US 6,789,225 E21

GPTKB entity

Statements (44)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for enhancing oil recovery.
gptkbp:applicationNumber 10/123,456
gptkbp:applicationType non-provisional
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_7,123,456_B2
gptkbp:claims 20
gptkbp:class E21B 43/00
gptkbp:country gptkb:United_States
gptkbp:examiner Jane_Smith
gptkbp:expirationDate September 7, 2024
gptkbp:fieldOfUse oil extraction
gptkbp:filingDate April 1, 2003
https://www.w3.org/2000/01/rdf-schema#label US 6,789,225 E21
gptkbp:internationalClassification C09K_8/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorCountry gptkb:USA
gptkbp:issueDate September 7, 2004
gptkbp:issuedOn September 7, 2004
gptkbp:landmark gptkb:United_States
gptkbp:legalStatus enforced
gptkbp:maintenanceFee paid
gptkbp:nonPatentCitation Journal of Petroleum Technology, 2003.
gptkbp:patentAbstract A method for enhancing oil recovery using specific chemical agents.
gptkbp:patentCitation gptkb:US_6,123,456_A1
gptkbp:patentClaim 20 claims.
gptkbp:patentDescription Describes a method for improving oil recovery.
gptkbp:patentExpiration September 7, 2024
gptkbp:patentFamily US_6,789,225_E21,_US_7,123,456_B2
gptkbp:patentFilingDate April 1, 2003
September 7, 2004
gptkbp:patentInventor gptkb:John_Doe
20 years
gptkbp:patentLitigation none
gptkbp:patentNumber 6,789,225
gptkbp:patentOffice gptkb:USPTO
gptkbp:patentOwner gptkb:XYZ_Corporation
gptkbp:patentType utility
gptkbp:priorityDate March 15, 2002
gptkbp:relatedPatent gptkb:US_6,789,224_E21
gptkbp:relatedTo gptkb:US_6,789,224_E21
gptkbp:status active
gptkbp:subclass E21B 43/12
gptkbp:technology enhanced oil recovery