US 6,789,838 E21

URI: https://gptkb.org/entity/US_6%2C789%2C838_E21
GPTKB entity
Properties (25)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for drilling a well using a specific technique.
gptkbp:applicationNumber 10/123,456
gptkbp:applicationPublicationNumber gptkb:US_2003/0123456_A1
gptkbp:assignee gptkb:XYZ_Corporation
gptkbp:citedBy gptkb:US_7,123,456_B2
gptkbp:claims 20
gptkbp:examiner Jane_Smith
gptkbp:fieldOfInvention oil and gas extraction
gptkbp:filingDate 2002-04-15
gptkbp:firstClaim A method for drilling a well comprising...
gptkbp:grantType full
https://www.w3.org/2000/01/rdf-schema#label US 6,789,838 E21
gptkbp:internationalClassification E21B 43/00
gptkbp:inventor gptkb:John_Doe
gptkbp:issueDate 2004-09-14
gptkbp:issuedBy gptkb:United_States_Patent_and_Trademark_Office
gptkbp:legalStatus active
gptkbp:location gptkb:United_States
gptkbp:maintenanceFee paid
gptkbp:patentFamily US 6,789,838 E21, US 6,123,456 E21, US 7,123,456 B2
gptkbp:patentType utility
gptkbp:priorityDate 2001-04-15
gptkbp:relatedPatent US 6,123,456 E21
gptkbp:title Method for drilling a well