Term ends Oct 7, 2040 · High confidence
Held by Otis Elevator Company
Filed Jun 5, 2024 as application 29/945,839 · Granted Oct 7, 2025
Base term, 15 years from grant
Today
2025
2040
Clock starts
Oct 7, 2025
Oct 7, 2025
Term ends
Oct 7, 2040
Oct 7, 2040
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
15 years from grant
Base term
No maintenance fees are payable on this kind of patent.
5
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 base term, 15 years from grant, with no adjustment for prosecution delay. No maintenance fees are payable on this kind of patent. 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, 15 years from grant | Granted Oct 7, 2025 | Oct 7, 2040 | 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 |
| Computed term end | The steps above, in order | Oct 7, 2040 | High confidence |
This family
| US D1,039,409 | In force Aug 2039 | Aug 2039 |
| US D1,096,942 | this patent Oct 2040 | Oct 2040 |
| US D1,096,941 | In force Oct 2040 | Oct 2040 |
| US D1,096,474 | In force Oct 2040 | Oct 2040 |
| US D1,096,943 | In force Oct 2040 | Oct 2040 |
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 |
|---|---|---|---|
| Jun 6, 2024 Reel 67642, frame 554 | Shi, Lilong; Zhou, Shunqiang; Ling, Sihia; Zhang, Denghui | Guangzhou Otis Elevator Co., Ltd. | Assignment of Assignor's Interest |
| Jun 6, 2024 Reel 67642, frame 445 | Cai, Qing | Otis Electric Elevator Co., Ltd. | Assignment of Assignor's Interest |
| Jun 6, 2024 Reel 67642, frame 560 | Otis Electric Elevator Co., Ltd. | Otis Elevator Company | Assignment of Assignor's Interest |
| Jun 6, 2024 Reel 67642, frame 804 | Guangzhou Otis Elevator Co., Ltd. | Otis Elevator Company | 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
No maintenance fees are payable on this kind of patent, so the record carries no fee events.
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Alerts on its grants, lapses and transfers.
What's changing
Oct 2040
Term ends Oct 7, 2040. No maintenance fees are payable on this kind of patent
Citations
0
later US patents cite this one
Fewer than half of the design 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.