Also listed on Thales Cetc Avionics Co., Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 10, 2037 · High confidence
20-year base term ends Jun 21, 2037
Held by Cetc Avionics Co., Ltd.
Filed Jun 21, 2017 as application 15/628,906 · Granted Oct 13, 2020
Base term plus 19 days of patent term adjustment (USPTO delay)
Today
2017
2037
Clock starts
Jun 21, 2017
Jun 21, 2017
Term ends
Jul 10, 2037
Jul 10, 2037
Granted
Oct 13, 2020
Oct 13, 2020
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
19
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.
This patent's term runs 19 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 Jun 21, 2017, when this application, 15/628,906, was filed | Jun 21, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +19 days, USPTO patent term adjustment record | Jul 10, 2037 | 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 | Jul 10, 2037 | High confidence |
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 |
|---|---|---|---|
| Jun 21, 2017 Reel 42932, frame 922 | Yan, Zhijian; Liu, Min; Kou, Hanjun; Deng, Hongchuan; Zhou, Kui; Song, Zhenhua; Liao, Dake | Thales Cetc Avionics Co., Ltd. | Assignment of Assignor's Interest |
| Oct 27, 2025 Reel 73071, frame 641 | Thales Cetc Avionics Co., Ltd. | Cetc Avionics Co., Ltd. | 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.
What's changing
Jul 2037
Term ends Jul 10, 2037. Maintenance fees still fall due before then
Note
The 19 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2020 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.