Also listed on Dyson Operations Pte. Ltd., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Apr 28, 2041 · High confidence

Held by Dyson Technology Limited

Filed Feb 2, 2024 as application 29/927,225 · Granted Apr 28, 2026

Base term, 15 years from grant

Today

15 years from grant

Term ends Apr 28, 2041

2026 2041

Clock starts
Apr 28, 2026

Term ends
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 D1,124,497, 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 D1,124,497)	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 968	Alfred, Alexander Scott; Balueta, Christina Lyn Jama; Abuel, Ron Angelo Abuy; Golfo, Justin Clark Aquino; Chiam, Kevin Yong Sheng; Sterry, James Michael Peter; Aston, Sally Joanne	Dyson Technology Limited	Assignment of Assignor's Interest
Mar 26, 2024 Reel 67679, frame 300	Alfred, Alexander Scott; Balueta, Christina Lyn Jama; Abuel, Ron Angelo Abuy; Golfo, Justin Clark Aquino; Chiam, Kevin Yong Sheng; Sterry, James Michael Peter; Aston, Sally Joanne	Dyson Operations Pte. Ltd.	Corrective Assignment to Correct the Receiving Party Should Be Dyson Operations Pte. LTD. Previously Recorded at Reel: 66707 Frame: 968. Assignor(S) Hereby Confirms the Assignment.

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 D1,124,497, 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.

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