Term ends Feb 21, 2040 · High confidence
20-year base term ends Dec 13, 2039
Held by Beta Air, LLC
Filed Dec 13, 2019 as application 16/713,520 · Granted Feb 28, 2023
Base term plus 70 days of patent term adjustment (USPTO delay)
Today
2019
2040
Clock starts
Dec 13, 2019
Dec 13, 2019
Term ends
Feb 21, 2040
Feb 21, 2040
Granted
Feb 28, 2023
Feb 28, 2023
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
70
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.
18
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 70 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 13, 2019, when this application, 16/713,520, was filed | Dec 13, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +70 days, USPTO patent term adjustment record | Feb 21, 2040 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | 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 | Feb 21, 2040 | High confidence |
This family
| Application 16/599,538 | Abandoned not computed | not computed |
| US 11,592,841 | this patent Feb 2040 | Feb 2040 |
| Application PCT/US2020/019969 | PCT application no patent term | no patent term |
| US 11,584,541 | In force Jan 2040 | Jan 2040 |
| Application PCT/US2020/063598 | PCT application no patent term | no patent term |
| US 11,597,508 | In force May 2041 | May 2041 |
| US 11,964,780 | In force Dec 2039 | Dec 2039 |
| US 12,017,784 | In force no later than Jun 2040 | no later than Jun 2040 |
8 of 18 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 17, 2020 Reel 52138, frame 982 | Clark, Kyle B | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2040
Term ends Feb 21, 2040. Maintenance fees still fall due before then
Note
The 70 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is above the median of utility patents granted in 2023 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.