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Uv Lamp and Anti-Scale Water Treatment Water Heater Apparatus with Sanitation Loop

US 11,396,467 In force
OverviewFamilyAssignmentsSources & methods

Term ends Nov 20, 2038 · High confidence

Filed Nov 20, 2018 as application 16/196,538 · Granted Jul 26, 2022
Base term plus 203 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2018 2038
Clock starts
Nov 20, 2018
Term ends
Nov 20, 2038
Granted
Jul 26, 2022
base term 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
203
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 11,397,009.
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.
7
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 runs 203 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 3 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 Nov 20, 2018, when this application, 16/196,538, was filedNov 20, 2038High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+203 days, USPTO patent term adjustment recordJun 11, 2039High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,397,009)capped to Nov 20, 2038High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderNov 20, 2038High confidence

This family

US 11,396,467this patent
Nov 2038
Nov 2038
US 11,397,009In force
Nov 2038
Nov 2038
US 12,135,135In force
Nov 2038
Nov 2038
US 12,195,953In force
no later than Mar 2040
no later than Mar 2040
US 12,195,378In force
no later than Nov 2039
no later than Nov 2039
US 12,196,430In force
no later than Nov 2039
no later than Nov 2039
US 12,305,885In force
no later than Mar 2040
no later than Mar 2040
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
Feb 13, 2019
Reel 48320, frame 869
D'amore, Theresa; Bothner, Paul; Summey, Jana; Trammell, Michael; Schmitt, CraigWatts Regulator Co.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.

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