Term ends Apr 28, 2041 · High confidence
Held by Dyson Operations Pte. Ltd. and Dyson Technology Limited
Filed Feb 2, 2024 as application 29/927,232 · Granted Apr 28, 2026
Base term, 15 years from grant
Today
2026
2041
Clock starts
Apr 28, 2026
Apr 28, 2026
Term ends
Apr 28, 2041
Apr 28, 2041
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US D1,124,496, to Apr 28, 2041. The term already ends on or before that date, so the cap shortened nothing.
15 years from grant
Base term
No maintenance fees are payable on this kind of patent.
This patent's term is its base term, 15 years from grant, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Apr 28, 2026 | Apr 28, 2041 | 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 | Disclaimer resolved from the filed document (refs US D1,124,496) | resolves to Apr 28, 2041, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Computed term end | The steps above, in order | Apr 28, 2041 | 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 |
|---|---|---|---|
| Feb 29, 2024 Reel 66707, frame 232 | Alfred, Alexander Scott; Gonzales, Noel Estores; Balueta, Christina Lyn Jama; Abuel, Ron Angelo Abuy; Sterry, James Michael Peter; Aston, Sally Joanne | Dyson Operations Pte. Ltd. | Assignment of Assignor's Interest |
| Feb 29, 2024 Reel 66709, frame 53 | Alfred, Alexander Scott; Balueta, Christina Lyn Jama; Abuel, Ron Angelo Abuy; Sterry, James Michael Peter; Aston, Sally Joanne; Gonzales, Noel Estores | Dyson 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
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
Apr 2041
Term ends Apr 28, 2041. No maintenance fees are payable on this kind of patent
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US D1,124,496, ends no earlier than this term, so it caps nothing.
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.