Term ends Mar 31, 2041 · High confidence
20-year base term ends Mar 31, 2041
Held by Beta Air, LLC
Filed Sep 17, 2021 as application 17/478,143 · Granted Aug 5, 2025
Base term plus 386 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2021
2041
Clock starts
Mar 31, 2021
Mar 31, 2021
Term ends
Mar 31, 2041
Mar 31, 2041
Granted
Aug 5, 2025
Aug 5, 2025
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
386
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 11,822,328.
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.
32
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 386 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: 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 Mar 31, 2021, when application 17/218,428, the earliest non-provisional in its chain, was filed (this one was filed Sep 17, 2021) | Mar 31, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +386 days, USPTO patent term adjustment record | Apr 21, 2042 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,822,328) | capped to Mar 31, 2041 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 31, 2041 | High confidence |
This family
| US 10,122,729 | In force Oct 2036 | Oct 2036 |
| US 10,812,492 | In force Mar 2036 | Mar 2036 |
| US 11,616,785 | In force Mar 2036 | Mar 2036 |
| US 11,142,333 | In force Mar 2041 | Mar 2041 |
| US 11,524,767 | In force Mar 2041 | Mar 2041 |
| US 11,952,105 | In force Mar 2041 | Mar 2041 |
| US 11,377,201 | In force Jul 2041 | Jul 2041 |
| US 12,379,730 | this patent Mar 2041 | Mar 2041 |
8 of 32 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 |
|---|---|---|---|
| Mar 26, 2024 Reel 66898, frame 294 | Moy, Nicholas; Auerbach, Joshua E. | Beta Air, LLC | 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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Alerts on its grants, lapses and transfers.
What's changing
Mar 2041
Term ends Mar 31, 2041. Maintenance fees still fall due before then
Note
The 386 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 11,822,328.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.