Lapsed Oct 4, 2026 on the fee record · High confidence
20-year base term ends Sep 14, 2038
First maintenance fee unpaid; grace period ended.
Held by Sigmasense, LLC.
Filed Jun 30, 2021 as application 17/363,268 · Granted Oct 4, 2022
Base term, 20 years from filing
Today
Lapsed Oct 4, 2026
2018
2038
Clock starts
Sep 14, 2018
Sep 14, 2018
No longer in force
Oct 4, 2026
Oct 4, 2026
Granted
Oct 4, 2022
Oct 4, 2022
Term would have run to
Sep 14, 2038
Sep 14, 2038
base term
after the term ends
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 11,474,685, to Sep 14, 2038. The term already ends on or before that date, so the cap shortened nothing.
0 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
17
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Sep 14, 2038: 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: 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, 20 years from filing | Clock starts Sep 14, 2018, when application 16/131,990, the earliest non-provisional in its chain, was filed (this one was filed Jun 30, 2021) | Sep 14, 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 11,474,685) | resolves to Sep 14, 2038, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Oct 4, 2026 | High confidence |
| Computed term end | The steps above, in order | Oct 4, 2026 | High confidence |
This family
| US 10,845,985 | In force Sep 2038 | Sep 2038 |
| US 11,269,510 | In force Sep 2038 | Sep 2038 |
| US 11,402,990 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 11,460,999 | this patent Oct 2026 | Oct 2026 |
| US 11,474,685 | In force Sep 2038 | Sep 2038 |
| US 11,592,978 | In force Sep 2038 | Sep 2038 |
| US 11,726,652 | In force Sep 2038 | Sep 2038 |
| US 11,740,781 | In force Sep 2038 | Sep 2038 |
8 of 17 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jun 30, 2021 Reel 56721, frame 321 | Gray, Patrick Troy; Morrison, Gerald Dale; Van Ostrand, Daniel Keith; Seger, Richard Stuart, JR. | Sigmasense, 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.
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Alerts on its grants, lapses and transfers.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 11,474,685, ends no earlier than this term, so it caps nothing.
Citations
6
later US patents cite this one
That is top 25% of utility patents granted in 2022 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.