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Method and Apparatus for Model-Based Leak Detection of a Pipe Network

US 11,280,696 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 9, 2037 · High confidence

Filed Jan 10, 2017 as application 15/402,743 · Granted Mar 22, 2022
Base term plus 272 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2017 2037
Clock starts
Jan 10, 2017
Term ends
Oct 9, 2037
Granted
Mar 22, 2022
base term patent term adjustment 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
272
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
4
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 272 days past its 20-year base term on prosecution delay. 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 Jan 10, 2017, when this application, 15/402,743, was filedJan 10, 2037High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+272 days, USPTO patent term adjustment recordOct 9, 2037High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 9, 2037High confidence

This family

US 11,280,696this patent
Oct 2037
Oct 2037
US 10,663,933In force
Nov 2037
Nov 2037
Application PCT/US2017/052135PCT application
no patent term
no patent term
Application PCT/US2017/052134PCT 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
Sep 5, 2017
Reel 43484, frame 885
Barker, Zachary A.; Shafiee, Michael Ehsan; Smith, Travis; Rasekh, Amin; Campbell, Bruce; Muller, GrantSensus Spectrum LLCAssignment 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