Term ends no later than Apr 23, 2039 · Medium confidence
In force on USPTO's status record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Apr 23, 2024
Apr 23, 2039
This patent's term is its base term, 15 years from grant, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. No maintenance fees are payable on this kind of patent. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 15 years from grant | Granted Apr 23, 2024 | Apr 23, 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 | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Computed term end | The steps above, in order | no later than Apr 23, 2039 | Medium confidence |
This family
| US D963,099 | In force Sep 2037 | Sep 2037 |
| US D1,024,252 | this patent no later than Apr 2039 | no later than Apr 2039 |
| US D1,155,726 | In force Oct 2041 | Oct 2041 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Aug 17, 2022 Reel 60833, frame 456 | Baumbach, Christopher Martin; Leach, Peter J.; McKelvain, Stephen H.; Williams, Charles David | 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.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Apr 23, 2039. We will not guess the cap.