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US

Apparatus and Process for the Separation of a Particulate Matter from a Fluid

US 9,950,299 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 24, 2022 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Held by X-Flow B.V.
Filed Jul 16, 2012 as application 13/502,634 · Granted Apr 24, 2018
Base term, 20 years from filing, plus 1082 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 24, 2022
2010 2033
Clock starts
Oct 19, 2010
No longer in force
Apr 24, 2022
Granted
Apr 24, 2018
Term would have run to
Oct 5, 2033
base term patent term adjustment after the term ends 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
1,082
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
17
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 Oct 5, 2033: its 20-year base term plus 1082 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 Oct 19, 2010, when application PCT/NL2010/050692, the earliest non-provisional in its chain, was filed (this one was filed Jul 16, 2012)Oct 19, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1082 days, USPTO patent term adjustment recordOct 5, 2033High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed Apr 24, 2022High confidence
Computed term endThe steps above, in orderApr 24, 2022High confidence

This family

Application 12/301,660Abandoned
not computed
not computed
US 8,227,396In force
Jul 2028
Jul 2028
US 8,801,867In force
Jul 2028
Jul 2028
US D669,960Term ended
Oct 2026
Oct 2026
US 9,950,299this patent
Apr 2022
Apr 2022
US 9,504,964In force
Feb 2033
Feb 2033
US 10,266,439In force
Nov 2028
Nov 2028
US 10,391,453In force
Jun 2035
Jun 2035
8 of 17 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 3, 2012
Reel 28499, frame 845
Borgerink, Rob; Van Opdorp, Robert Martinua; Blankert, Bastiaan; Journee, Derk RudolfX-Flow B.V.Assignment 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited