US 6,789,223 E21

GPTKB entity

Statements (61)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for drilling a well using a specific technique.
gptkbp:applicationNumber 10/775,123
gptkbp:applicationType Utility
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:assigneeCountry gptkb:United_States
gptkbp:citedBy gptkb:US_7,123,456_B2
gptkbp:claims 20
gptkbp:coInventor Jane_Smith
gptkbp:country gptkb:United_States
gptkbp:examiner gptkb:Michael_Johnson
gptkbp:expirationDate 2024-01-30
gptkbp:field Petroleum Engineering
gptkbp:fieldOfInvention Oil and Gas Extraction
gptkbp:filingDate 2004-01-30
https://www.w3.org/2000/01/rdf-schema#label US 6,789,223 E21
gptkbp:internationalClassification E21B 43/00
gptkbp:inventor gptkb:John_Doe
gptkbp:inventorResidence gptkb:California
gptkbp:issueDate 2004-09-14
gptkbp:legalStatus Granted
gptkbp:maintenanceFee Paid
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gptkbp:patentFamily US_6,789,223_E21_Family
gptkbp:patentNumber 6,789,223
gptkbp:priorityDate 2003-01-30
gptkbp:relatedPatent gptkb:US_6,789,222_E21
gptkbp:status Active
gptkbp:subclass E21B 43/12
gptkbp:title Method for drilling a well