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US

Air Quality Monitoring System and Method

US 11,585,752 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Feb 23, 2024 (Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company).

Term ends Sep 9, 2041 · Low confidence

Filed Jun 17, 2022 as application 17/843,554 · Granted Feb 21, 2023
Base term, 20 years from filing
Today
20 years from filing
2021 2041
Clock starts
Sep 9, 2021
Term ends
Sep 9, 2041
Granted
Feb 21, 2023
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,366,057, to Sep 9, 2041. 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.
34
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is 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 Sep 9, 2021, when application PCT/US2021/049702, the earliest non-provisional in its chain, was filed (this one was filed Jun 17, 2022); a parent in its chain could not be resolved (the next row)Sep 9, 2041High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,366,057)resolves to Sep 9, 2041, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Further caveats on recordThe record names parents not resolved: PCTUS2021049702, PCTUS2021049702Low confidence overallLow confidence
Computed term endThe steps above, in orderSep 9, 2041Low confidence

This family

US 10,697,947In force
Jul 2039
Jul 2039
Application PCT/US2020/012247PCT application
no patent term
no patent term
US 11,215,593In force
Jul 2039
Jul 2039
Application PCT/US2021/049702PCT application
no patent term
no patent term
US 11,366,057In force
Sep 2041
Sep 2041
US 11,408,870In force
Jul 2039
Jul 2039
US 11,585,752this patent
Sep 2041
Sep 2041
US 11,592,390In force
Sep 2041
Sep 2041
8 of 34 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
Jun 17, 2022
Reel 60242, frame 30
Scott, Anna Ailene; Alkadi, Nasr E.; Azdoud, Yan; Eichenlaub, Nate; Foiles, William J.; Kelley, Christopher Daniel; Kupis, ShylaProject Canary, PbcAssignment of Assignor's Interest
Feb 23, 2024
Reel 66662, frame 483
Project Canary, PbcSilicon Valley Bank, a Division of First-Citizens Bank & Trust CompanyIntellectual Property Security Agreement
Oct 30, 2026
reel/frame not recorded
First-Citizens Bank & Trust CompanyProject Canary, PbcRelease of Security Interest
Oct 30, 2026
reel/frame not recorded
First-Citizens Bank & Trust CompanyInternational Environmental Standards PBCRelease of Security Interest
Oct 30, 2026
reel/frame not recorded
First-Citizens Bank & Trust CompanyAeris Technologies, Inc.Release of Security Interest
Oct 30, 2026
Reel 76577, frame 566
First-Citizens Bank & Trust CompanyProject Canary, Pbc; International Environmental Standards PBC; Aeris Technologies, Inc.Release of Security 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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