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Method for Extracting Downhole Flow Profiles from Tracer Flowback Transients

US 10,253,619 In force
OverviewFamilyAssignmentsSources & methods

Term ends Dec 24, 2035 · High confidence

Filed May 3, 2013 as application 13/887,046 · Granted Apr 9, 2019
Base term plus 1515 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2011 2035
Clock starts
Oct 31, 2011
Term ends
Dec 24, 2035
Granted
Apr 9, 2019
base term patent term adjustment fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
1,515
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
7
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 1515 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Oct 31, 2011, when application PCT/NO2011/000306, the earliest non-provisional in its chain, was filed (this one was filed May 3, 2013)Oct 31, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1515 days, USPTO patent term adjustment recordDec 24, 2035High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderDec 24, 2035High confidence

This family

US 10,253,619this patent
Dec 2035
Dec 2035
US 8,949,029In force
Oct 2031
Oct 2031
US 10,669,839In force
Oct 2031
Oct 2031
US 10,961,842In force
Oct 2031
Oct 2031
US 10,871,067In force
Oct 2031
Oct 2031
US 11,674,382In force
no later than Feb 2032
no later than Feb 2032
6 of 7 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
Jun 5, 2013
Reel 30547, frame 744
Nyhavn, FridtjofResman AsAssignment of Assignor's Interest
Apr 15, 2026
Reel 74377, frame 798
Resman AsResman Technology AsAssignment of Assignor's Interest

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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