Collateral for a security interest recorded Feb 23, 2024 (Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company).
Term ends Nov 13, 2038 · High confidence
20-year base term ends Nov 13, 2038
Held by Project Canary, PBC
Filed Dec 2, 2021 as application 17/540,497 · Granted May 31, 2022
Base term, 20 years from filing
Today
2018
2038
Clock starts
Nov 13, 2018
Nov 13, 2018
Term ends
Nov 13, 2038
Nov 13, 2038
Granted
May 31, 2022
May 31, 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,193,822, to Nov 13, 2038. 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.
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. 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: 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 13, 2018, when application 16/188,793, the earliest non-provisional in its chain, was filed (this one was filed Dec 2, 2021) | Nov 13, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,193,822) | resolves to Nov 13, 2038, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 13, 2038 | High confidence |
This family
| US 10,634,558 | In force Nov 2038 | Nov 2038 |
| US 10,876,890 | In force Nov 2038 | Nov 2038 |
| US 11,193,822 | In force Nov 2038 | Nov 2038 |
| US 11,346,717 | this patent Nov 2038 | Nov 2038 |
| US 11,467,032 | In force Nov 2038 | Nov 2038 |
| US 11,604,094 | In force Nov 2038 | Nov 2038 |
| US 11,768,110 | In force Nov 2038 | Nov 2038 |
| US 11,788,889 | In force Nov 2038 | Nov 2038 |
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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Dec 14, 2021 Reel 58382, frame 978 | Scott, Anna Ailene; Azdoud, Yan; Kelley, Christopher Daniel | Troposphere Monitoring, Inc. | Assignment of Assignor's Interest |
| Dec 14, 2021 Reel 58383, frame 124 | Troposphere Monitoring, Inc. | Project Canary, Pbc | Assignment of Assignor's Interest |
| Feb 23, 2024 Reel 66662, frame 483 | Project Canary, Pbc | Silicon Valley Bank, a Division of First-Citizens Bank & Trust Company | Intellectual Property Security Agreement |
| Oct 30, 2026 reel/frame not recorded | First-Citizens Bank & Trust Company | Project Canary, Pbc | Release of Security Interest |
| Oct 30, 2026 reel/frame not recorded | First-Citizens Bank & Trust Company | International Environmental Standards PBC | Release of Security Interest |
| Oct 30, 2026 reel/frame not recorded | First-Citizens Bank & Trust Company | Aeris Technologies, Inc. | Release of Security Interest |
| Oct 30, 2026 Reel 76577, frame 566 | First-Citizens Bank & Trust Company | Project 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2038
Term ends Nov 13, 2038. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,193,822, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2022 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.