Lapsed Aug 16, 2026 on the fee record · Medium confidence
20-year base term ends Nov 8, 2039
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 10,933,153), so the cap could be lower.
First maintenance fee unpaid; grace period ended.
Nov 8, 2019
Aug 16, 2026
Aug 16, 2022
Nov 8, 2039
Its term would have run to Nov 8, 2039: its 20-year base term, 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. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Nov 8, 2019, when application 16/678,891, the earliest non-provisional in its chain, was filed (this one was filed Feb 28, 2021) | Nov 8, 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 resolved from the filed document (refs US 10,933,153) | resolves to Nov 8, 2039, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Aug 16, 2026 | High confidence |
| Computed term end | The steps above, in order | Aug 16, 2026 | Medium confidence |
This family
| Application 16/678,891 | Abandoned not computed | not computed |
| US 10,933,153 | Lapsed on the fee record Mar 2025 | Mar 2025 |
| US 11,413,366 | this patent Aug 2026 | Aug 2026 |
| US 11,944,715 | In force Nov 2039 | Nov 2039 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 1, 2021 Reel 55445, frame 541 | Shell, Michael Ross; Goswami, Sameer | DLVR, LLC | 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 · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
A terminal disclaimer resolved from the filed document, referencing US 10,933,153, ends no earlier than this term, so it caps nothing.