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US

Data Relay for Multi-Tenant Emergency Call System

US 12,689,880 In force
OverviewFamilySources & methods

Term ends Oct 14, 2040 · Low confidence

Filed Mar 12, 2024 as application 18/602,920 · Granted Jul 21, 2026
Base term plus 169 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2020 2040
Clock starts
Oct 14, 2020
Term ends
Oct 14, 2040
Granted
Jul 21, 2026
base term 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
169
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 11,930,436.
0 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.
5
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 169 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 3 maintenance fees are paid so far. 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 Oct 14, 2020, when application 17/070,400, the earliest non-provisional in its chain, was filed (this one was filed Mar 12, 2024); a parent in its chain could not be resolved (the next row)Oct 14, 2040High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+169 days, USPTO patent term adjustment recordApr 1, 2041High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,930,436)capped to Oct 14, 2040High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Further caveats on recordThe record names parents not resolved: 17852239Low confidence overallLow confidence
Computed term endThe steps above, in orderOct 14, 2040Low confidence

This family

Application 62/916,012Provisional application
no patent term
no patent term
US 11,405,768In force
Oct 2040
Oct 2040
Application PCT/US2020/055880PCT application
no patent term
no patent term
US 11,930,436In force
Oct 2040
Oct 2040
US 12,689,880this patent
Oct 2040
Oct 2040
The applications whose file history this site holds. The family may have others.

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