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US

Diagnostic Lateral Wellbores and Methods of Use

US 10,253,598 In force
OverviewFamilyAssignmentsSources & methods

Term ends Dec 7, 2036 · High confidence

Filed May 5, 2016 as application 15/147,449 · Granted Apr 9, 2019
Base term plus 216 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2016 2036
Clock starts
May 5, 2016
Term ends
Dec 7, 2036
Granted
Apr 9, 2019
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
216
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
9
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term runs 216 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. Confidence: High. from the record

How we calculated this date

One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts May 5, 2016, when this application, 15/147,449, was filedMay 5, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+216 days, USPTO patent term adjustment recordDec 7, 2036High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 7, 2036High confidence

This family

US 9,362,335In force
Dec 2032
Dec 2032
US 10,253,598this patent
Dec 2036
Dec 2036
US 9,748,309In force
Dec 2032
Dec 2032
Application PCT/US2016/031092PCT application
no patent term
no patent term
Application 15/594,202Abandoned
not computed
not computed
US 10,461,120In force
Dec 2032
Dec 2032
Application PCT/US2018/030962PCT application
no patent term
no patent term
Application 16/736,396Abandoned
not computed
not computed
8 of 9 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

Assignments

Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
RecordedAssignorAssigneeConveyance
Jul 19, 2016
Reel 39192, frame 373
Crews, James B.; Hurt, Robert Samuel; Jo, Hyunil; Huang, Tianping; Bestaoui-spurr, NaimaBaker Hughes IncorporatedAssignment of Assignor's Interest
Feb 18, 2019
Reel 48359, frame 719
Baker Hughes IncorporatedBaker Hughes, a GE Company, LLCChange of Name
Feb 16, 2022
Reel 59128, frame 907
Baker Hughes, a GE Company, LLCBaker Hughes Holdings LLCChange of Name

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup

Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.

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