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US 11,697,968 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Jun 28, 2033 · Low confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Feb 28, 2022 as application 17/682,342 · Granted Jul 11, 2023
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Jun 28, 2013
Ends no later than
Jun 28, 2033
Granted
Jul 11, 2023
base term 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
None
Term adjustment
No prosecution delay on this record.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
8
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 0 of 2 maintenance fees are paid so far. Confidence: Low. 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 Jun 28, 2013, when application 13/930,683, the earliest non-provisional in its chain, was filed (this one was filed Feb 28, 2022); a parent in its chain could not be resolved (the next row)Jun 28, 2033High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Jun 28, 2033Low confidence

This family

US 9,593,542In force
Aug 2035
Aug 2035
US 10,883,314In force
Jun 2033
Jun 2033
US 10,465,445In force
Jun 2033
Jun 2033
Application 16/535,047Abandoned
not computed
not computed
US 11,180,958In force
Jun 2033
Jun 2033
US 10,883,315In force
Jun 2033
Jun 2033
Application 17/132,963Abandoned
not computed
not computed
US 11,697,968this patent
no later than Jun 2033
no later than Jun 2033
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
Feb 28, 2022
Reel 59117, frame 774
Getzlaf, Donald; Stromquist, Marty; Ravensbergen, John; Devlin, David; Braden, Douglas; Harris, TravisNCS Oilfield Services Canada, Inc.Assignment of Assignor's Interest
Feb 28, 2022
Reel 59262, frame 753
NCS Oilfield Services Canada, Inc.NCS Multistage Inc.Change of Name
Jul 28, 2022
Reel 61002, frame 734
NCS Multistage, LLC; NCS Multistage Inc.JPMorgan Chase Bank, N.A., as Administrative AgentPatent Security Agreement
Sep 1, 2026
Reel 76317, frame 191
JPMorgan Chase Bank, N.A., as Administrative AgentNCS Multistage, LLC; NCS Multistage Inc.Release of Security Interest
Sep 1, 2026
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentNCS Multistage, LLCRelease of Security Interest
Sep 1, 2026
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentNCS Multistage Inc.Release of Security 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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