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US

Foot Spa Tub Pump and Method

US 11,219,576 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Apr 22, 2026 (Twin Brook Capital Partners, LLC).

Term ends Aug 11, 2028 · High confidence

Held by Ecotech, LLC
Filed Jul 20, 2020 as application 16/933,303 · Granted Jan 11, 2022
Base term, 20 years from filing
Today
20 years from filing
2008 2028
Clock starts
Aug 11, 2008
Term ends
Aug 11, 2028
Granted
Jan 11, 2022
base term 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.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
9
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. 1 of 1 maintenance fees is paid so far. 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 Aug 11, 2008, when application 12/189,365, the earliest non-provisional in its chain, was filed (this one was filed Jul 20, 2020)Aug 11, 2028High 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 events1 of 1 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 11, 2028High confidence

This family

US 8,214,937In force
May 2031
May 2031
US 8,607,374In force
Dec 2029
Dec 2029
US 9,295,612In force
Dec 2029
Dec 2029
US 9,283,141In force
Jan 2029
Jan 2029
US 9,737,460In force
Aug 2028
Aug 2028
US 10,285,903In force
Aug 2028
Aug 2028
US 10,716,732In force
Aug 2028
Aug 2028
US 11,219,576this patent
Aug 2028
Aug 2028
8 of 9 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 9, 2021
Reel 55529, frame 967
Ecotech Marine, LLCEcotech, LLCChange of Name
Oct 25, 2021
Reel 57907, frame 91
Lawyer, Justin; Clasen, Patrick; Marks, TimothyEcotech Marine, LLCAssignment of Assignor's Interest
Apr 22, 2026
Reel 74444, frame 986
Ecotech, LLCTwin Brook Capital Partners, LLC, as Administrative AgentSecurity 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