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Methods and Apparatus for Particle Aggregation Using Acoustic Standing Waves

US 10,106,770 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Oct 23, 2026 on the fee record · Low confidence

Second maintenance fee unpaid; grace period ended. The USPTO has not yet posted the lapse.

Filed Jan 3, 2017 as application 15/397,326 · Granted Oct 23, 2018
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
Lapsed Oct 23, 2026
2016 2036
Clock starts
Mar 24, 2016
No longer in force
Oct 23, 2026
Granted
Oct 23, 2018
Term would have run to
Oct 29, 2033
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.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,106,770, US 11,324,873.
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.
3
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 29, 2033: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Mar 24, 2016, when application 15/080,354, the earliest non-provisional in its chain, was filed (this one was filed Jan 3, 2017)Mar 24, 2036High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,106,770, US 11,324,873)capped to Oct 29, 2033High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"lapsed Oct 23, 2026Low confidence
Computed term endThe steps above, in orderOct 23, 2026Low confidence

This family

US 9,533,241In force
Mar 2033
Mar 2033
US 10,106,770this patent
Oct 2026
Oct 2026
Application PCT/US2017/017788PCT application
no patent term
no patent term
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
Jan 3, 2017
Reel 40829, frame 78
Presz, Walter M; Chitale, Kedar; Lipkens, BartFlodesign Sonics, Inc.Assignment of Assignor's Interest
Mar 3, 2022
Reel 59317, frame 507
Flodesign Sonics, Inc.Flodesign Sonics, Inc.Change of Address

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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