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Ultrasound and Acoustophoresis for Water Purification

US 9,410,256 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 9, 2024 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Mar 21, 2014 as application 14/221,527 · Granted Aug 9, 2016
Base term, 20 years from filing
Today
Lapsed Aug 9, 2024
2010 2030
Clock starts
Nov 16, 2010
No longer in force
Aug 9, 2024
Granted
Aug 9, 2016
Term would have run to
Nov 16, 2030
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,691,145, to Nov 16, 2030. The term already ends on or before that date, so the cap shortened nothing.
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.
6
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 Nov 16, 2030: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Nov 16, 2010, when application 12/947,757, the earliest non-provisional in its chain, was filed (this one was filed Mar 21, 2014)Nov 16, 2030High 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 8,691,145)resolves to Nov 16, 2030, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Aug 9, 2024High confidence
Computed term endThe steps above, in orderAug 9, 2024High confidence

This family

US 8,691,145Lapsed on the fee record
Apr 2022
Apr 2022
US 9,410,256this patent
Aug 2024
Aug 2024
US 10,427,956In force
Nov 2030
Nov 2030
Application 15/947,746Abandoned
not computed
not computed
Application 16/299,101Abandoned
not computed
not computed
Application PCT/US2019/021708PCT 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
Jul 7, 2014
Reel 33253, frame 752
Dionne, Jason; Lipkens, Bart; Rietman, EdwardFlodesign 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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