Also listed on General Interface Solution Limited, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 27, 2042 · High confidence
20-year base term ends May 27, 2042
Held by Interface Technology (Chengdu) Co., Ltd., Interface Optoelectronics (Shenzhen) Co., Ltd. and General Interface Solution Limited
Filed May 27, 2022 as application 17/804,310 · Granted Feb 21, 2023
Base term, 20 years from filing
Today
2022
2042
Clock starts
May 27, 2022
May 27, 2022
Term ends
May 27, 2042
May 27, 2042
Granted
Feb 21, 2023
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.
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 is its 20-year base term, with no adjustment for 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 May 27, 2022, when this application, 17/804,310, was filed | May 27, 2042 | 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 | 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 | May 27, 2042 | 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 |
|---|---|---|---|
| May 27, 2022 reel/frame not recorded | Chiang, Chewen; Liu, I Chen | Interface Technology (Chengdu) Co., Ltd. | Assignment of Assignor's Interest |
| May 27, 2022 reel/frame not recorded | Chiang, Chewen; Liu, I Chen | Interface Optoelectronics (Shenzhen) Co., Ltd. | Assignment of Assignor's Interest |
| May 27, 2022 reel/frame not recorded | Chiang, Chewen; Liu, I Chen | Interface Optoelectronics (Wuxi) Co., Ltd. | Assignment of Assignor's Interest |
| May 27, 2022 reel/frame not recorded | Chiang, Chewen; Liu, I Chen | General Interface Solution Limited | Assignment of Assignor's Interest |
| May 27, 2022 Reel 60034, frame 105 | Chiang, Chewen; Liu, I Chen | Interface Technology (Chengdu) Co., Ltd.; Interface Optoelectronics (Shenzhen) Co., Ltd.; Interface Optoelectronics (Wuxi) Co., Ltd.; General Interface Solution Limited | Assignment of Assignor's Interest |
| Feb 21, 2024 reel/frame not recorded | General Interface Solution Limited; Interface Optoelectronics (Shenzhen) Co., Ltd.; Interface Optoelectronics (Wuxi) Co., Ltd.; Interface Technology (Chengdu) Co., Ltd. | Interface Technology (Chengdu) Co., Ltd. | Assignment of Assignor's Interest |
| Feb 21, 2024 reel/frame not recorded | General Interface Solution Limited; Interface Optoelectronics (Shenzhen) Co., Ltd.; Interface Optoelectronics (Wuxi) Co., Ltd.; Interface Technology (Chengdu) Co., Ltd. | Interface Optoelectronics (Shenzhen) Co., Ltd. | Assignment of Assignor's Interest |
| Feb 21, 2024 reel/frame not recorded | General Interface Solution Limited; Interface Optoelectronics (Shenzhen) Co., Ltd.; Interface Optoelectronics (Wuxi) Co., Ltd.; Interface Technology (Chengdu) Co., Ltd. | General Interface Solution Limited | Assignment of Assignor's Interest |
| Feb 21, 2024 Reel 66509, frame 25 | Interface Technology (Chengdu) Co., Ltd.; Interface Optoelectronics (Shenzhen) Co., Ltd.; Interface Optoelectronics (Wuxi) Co., Ltd.; General Interface Solution Limited | Interface Technology (Chengdu) Co., Ltd.; Interface Optoelectronics (Shenzhen) Co., Ltd.; General Interface Solution Limited | 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
May 2042
Term ends May 27, 2042. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
That is below 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.