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Variable Geometry Meter Roller

US 8,601,962 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Dec 10, 2025 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Mar 25, 2011 as application 13/071,812 · Granted Dec 10, 2013
Base term, 20 years from filing
Today
Lapsed Dec 10, 2025
2011 2031
Clock starts
Mar 10, 2011
No longer in force
Dec 10, 2025
Granted
Dec 10, 2013
Term would have run to
Mar 10, 2031
base term after the term ends 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
None
Term adjustment
No prosecution delay on this record.
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.
13
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Mar 10, 2031: its 20-year base term, with no adjustment for prosecution delay. 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 Mar 10, 2011, when application 13/045,280, the earliest non-provisional in its chain, was filed (this one was filed Mar 25, 2011)Mar 10, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Dec 10, 2025High confidence
Computed term endThe steps above, in orderDec 10, 2025High confidence

This family

US 8,671,857Lapsed on the fee record
Mar 2026
Mar 2026
US 8,434,416In force
Mar 2031
Mar 2031
US 8,601,962this patent
Dec 2025
Dec 2025
US 9,351,441In force
Jun 2031
Jun 2031
US 9,392,741In force
no later than Mar 2031
no later than Mar 2031
US 9,462,743In force
no later than Mar 2031
no later than Mar 2031
US 9,609,804Lapsed on the fee record
Apr 2025
Apr 2025
US 10,076,073In force
no later than Jun 2031
no later than Jun 2031
8 of 13 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
Mar 28, 2011
Reel 26030, frame 349
Engel, Gordon AnthonyCNH Canada, Ltd.Assignment of Assignor's Interest
Apr 25, 2011
Reel 26174, frame 712
Kowalchuk, Trevor Lawrence; Turner, Jack DonaldCNH Canada, Ltd.Assignment of Assignor's Interest
Oct 22, 2014
Reel 34031, frame 155
CNH Canada, Ltd.CNH Industrial Canada, Ltd.Change 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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