Also listed on Comar, LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Dec 19, 2038 · High confidence

Held by Comar Investments Limited

Filed Feb 4, 2022 as application 29/825,691 · Granted Dec 19, 2023

Base term, 15 years from grant

Today

15 years from grant

Term ends Dec 19, 2038

2023 2038

Clock starts
Dec 19, 2023

Term ends
Dec 19, 2038

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 D1,021,485, to Dec 19, 2038. 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 Dec 19, 2023	Dec 19, 2038	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 D1,021,485)	resolves to Dec 19, 2038, 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	Dec 19, 2038	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 6, 2022 Reel 58901, frame 747	Marsh, Kevin T; Marsh, Russell K; Donald, Dougal E	Comar Investments 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.

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

What's changing

Dec 2038

Term ends Dec 19, 2038. No maintenance fees are payable on this kind of patent

Terminal disclaimer

A terminal disclaimer resolved from the filed document, referencing US D1,021,485, ends no earlier than this term, so it caps nothing.

Citations

later US patents cite this one

That is below the median of design 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.

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