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Hydraulic System and Method for Reducing Boom Bounce with Counter-Balance Protection

US 9,810,242 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Nov 7, 2025 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by Danfoss A/S
Filed Nov 30, 2015 as application 14/894,662 · Granted Nov 7, 2017
Base term, 20 years from filing, plus 138 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 7, 2025
2014 2034
Clock starts
May 13, 2014
No longer in force
Nov 7, 2025
Granted
Nov 7, 2017
Term would have run to
Sep 28, 2034
base term patent term adjustment after the term ends 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
138
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.
4
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 Sep 28, 2034: its 20-year base term plus 138 days of term 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 May 13, 2014, when application PCT/US2014/037879, the earliest non-provisional in its chain, was filed (this one was filed Nov 30, 2015)May 13, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+138 days, USPTO patent term adjustment recordSep 28, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Nov 7, 2025High confidence
Computed term endThe steps above, in orderNov 7, 2025High confidence

This family

Application PCT/US2014/037879PCT application
no patent term
no patent term
US 9,810,242this patent
Nov 2025
Nov 2025
US 10,502,239In force
Aug 2034
Aug 2034
US 11,028,861Lapsed on the fee record
Jun 2025
Jun 2025
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
Nov 30, 2015
Reel 37166, frame 546
Wang, Meng (Rachel)Eaton CorporationAssignment of Assignor's Interest
Apr 11, 2019
Reel 48855, frame 626
Eaton CorporationEaton Intelligent Power LimitedAssignment of Assignor's Interest
Nov 23, 2021
Reel 58227, frame 187
Eaton Intelligent Power LimitedDanfoss Power Solutions II Technology A/SAssignment of Assignor's Interest
Aug 27, 2023
Reel 64730, frame 1
Danfoss Power Solutions II Technology A/SDanfoss A/SMerger

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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