Term ends Jul 3, 2038 · High confidence
20-year base term ends Jun 19, 2038
Filed Dec 18, 2019 as application 16/623,836 · Granted Mar 14, 2023
Base term plus 14 days of patent term adjustment (USPTO delay)
Today
2018
2038
Clock starts
Jun 19, 2018
Jun 19, 2018
Term ends
Jul 3, 2038
Jul 3, 2038
Granted
Mar 14, 2023
Mar 14, 2023
base term
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
14
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
2
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 14 days past its 20-year base term on prosecution delay. 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 Jun 19, 2018, when application PCT/EP2018/066189, the earliest non-provisional in its chain, was filed (this one was filed Dec 18, 2019) | Jun 19, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +14 days, USPTO patent term adjustment record | Jul 3, 2038 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 3, 2038 | High confidence |
This family
| US 11,603,289 | this patent Jul 2038 | Jul 2038 |
1 of 2 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 |
|---|---|---|---|
| Feb 20, 2020 Reel 51870, frame 48 | Madera, Martin; Krieg, Martin | Thyssenkrupp Elevator AG; Thyssenkrupp AG | Assignment of Assignor's Interest |
| Feb 20, 2020 reel/frame not recorded | Krieg, Martin; Madera, Martin | Thyssenkrupp Elevator AG | Assignment of Assignor's Interest |
| Feb 20, 2020 reel/frame not recorded | Krieg, Martin; Madera, Martin | Thyssenkrupp AG | Assignment of Assignor's Interest |
| Jun 15, 2020 Reel 52945, frame 233 | Thyssenkrupp Elevator AG | Thyssenkrupp Elevator Innovation and Operations AG | Change of Name |
| Jun 16, 2020 Reel 52963, frame 497 | Thyssenkrupp Elevator Innovation and Operations AG | Thyssenkrupp Elevator Innovation and Operations GmbH | Change of Name |
| Jul 7, 2020 Reel 53144, frame 238 | Thyssenkrupp AG | Thyssenkrupp Elevator Innovation and Opertions GmbH | Assignment of Assignor's Interest |
| Jul 21, 2020 Reel 53264, frame 547 | Thyssenkrupp AG | Thyssenkrupp Elevator Innovation and Operations GmbH | Corrective Assignment to Correct the Misspelled Assignee Name Inside the Assignment Document to "Thyssenkrupp Elevator Innovation and Operations Gmbh." Previously Recorded on Reel 053144 Frame 0238. Assignor(S) Hereby Confirms the Assignment. |
| Mar 29, 2021 Reel 55760, frame 703 | Thyssenkrupp Elevator Innovation and Operations GmbH | TK Elevator Innovation and Operations GmbH | Change of Name |
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
Jul 2038
Term ends Jul 3, 2038.
Note
The 14 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.