Term ends Jul 28, 2037 · High confidence
20-year base term ends Jun 30, 2037
Filed Oct 26, 2023 as application 18/495,284 · Granted Jun 9, 2026
Base term plus 31 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2017
2037
Clock starts
Jun 30, 2017
Jun 30, 2017
Term ends
Jul 28, 2037
Jul 28, 2037
Granted
Jun 9, 2026
Jun 9, 2026
base term
patent term adjustment
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
31
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 11,172,609, US 11,357,166.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
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 runs 31 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 2 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 30, 2017, when application PCT/CN2017/091129, the earliest non-provisional in its chain, was filed (this one was filed Oct 26, 2023) | Jun 30, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +31 days, USPTO patent term adjustment record | Jul 31, 2037 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,172,609, US 11,357,166) | capped to Jul 28, 2037 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 28, 2037 | High confidence |
This family
| US 11,832,552 | In force Sep 2038 | Sep 2038 |
| US 11,172,609 | In force Dec 2037 | Dec 2037 |
| US 11,357,166 | In force Jul 2037 | Jul 2037 |
| US 12,648,513 | this patent Jul 2037 | Jul 2037 |
4 of 5 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 |
|---|---|---|---|
| Oct 26, 2023 Reel 65359, frame 486 | Hahn, Klaus; Rickey, Todd Brandon; Montgomery, Benjamin Edgar; Ensslen, Nikolai; Yildirim, Levent | Tti (Macao Commercial Offshore) Limited | Assignment of Assignor's Interest |
| Oct 26, 2023 Reel 65369, frame 1 | Tti (Macao Commercial Offshore) Limited | Techtronic Outdoor Products Technology 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.
What's changing
Jul 2037
Term ends Jul 28, 2037. Maintenance fees still fall due before then
Note
The 31 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 11,172,609, US 11,357,166.
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.