Collateral for a security interest recorded Dec 11, 2025 (Gladstone Capital Corporation).
Term ends Apr 30, 2039 · High confidence
Held by Springfield, Inc.
Filed May 19, 2022 as application 29/864,306 · Granted Apr 30, 2024
Base term, 15 years from grant
Today
2024
2039
Clock starts
Apr 30, 2024
Apr 30, 2024
Term ends
Apr 30, 2039
Apr 30, 2039
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.
None
Terminal disclaimer
No disclaimer on this record.
15 years from grant
Base term
No maintenance fees are payable on this kind of patent.
7
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 is its base term, 15 years from grant, with no adjustment for prosecution delay. 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 30, 2024 | Apr 30, 2039 | 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 | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Computed term end | The steps above, in order | Apr 30, 2039 | High confidence |
This family
| US D963,780 | In force Sep 2037 | Sep 2037 |
| US D1,002,781 | In force Oct 2038 | Oct 2038 |
| US 11,846,491 | In force Nov 2040 | Nov 2040 |
| US 11,747,112 | In force Nov 2040 | Nov 2040 |
| US D1,025,275 | this patent Apr 2039 | Apr 2039 |
| US 12,298,104 | In force Nov 2040 | Nov 2040 |
| Application 19/206,769 | Pending not computed | not computed |
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 |
|---|---|---|---|
| May 23, 2022 Reel 59979, frame 880 | McKelvain, Stephen H.; Leach, Peter J.; Ballard, Nick | Springfield, Inc. | Assignment of Assignor's Interest |
| Dec 11, 2025 Reel 73947, frame 735 | Springfield, Inc. | Gladstone Capital Corporation | Security Interest |
| Dec 15, 2025 Reel 73934, frame 648 | Springfield, Inc. | Fifth Third Bank, National Association | Security 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 2039
Term ends Apr 30, 2039. No maintenance fees are payable on this kind of patent
Citations
12
later US patents cite this one
That is top 10% of design patents granted in 2024 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.