Collateral for a security interest recorded May 12, 2026 (Fifth Third Bank, National Association).
Term ends Jan 13, 2037 · High confidence
20-year base term ends Jan 13, 2037
Held by Zev Technologies, LLC
Filed Dec 8, 2022 as application 18/063,215 · Granted Apr 29, 2025
Base term, 20 years from filing
Today
2017
2037
Clock starts
Jan 13, 2017
Jan 13, 2017
Term ends
Jan 13, 2037
Jan 13, 2037
Granted
Apr 29, 2025
Apr 29, 2025
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.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
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 20-year base term, with no adjustment for prosecution delay. 0 of 2 maintenance fees are paid so far. 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 Jan 13, 2017, when application 15/406,111, the earliest non-provisional in its chain, was filed (this one was filed Dec 8, 2022) | Jan 13, 2037 | 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 |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 13, 2037 | High confidence |
This family
| Application 15/406,111 | Abandoned not computed | not computed |
| US 10,119,777 | In force Jan 2037 | Jan 2037 |
| Application PCT/US2018/018093 | PCT application no patent term | no patent term |
| US 10,955,209 | In force Jan 2037 | Jan 2037 |
| US 11,525,645 | In force no later than Jan 2037 | no later than Jan 2037 |
| US 12,287,164 | this patent Jan 2037 | Jan 2037 |
| US 12,742,605 | In force Jan 2037 | Jan 2037 |
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 |
|---|---|---|---|
| Aug 13, 2024 Reel 68471, frame 588 | Zev Technologies, Inc. | Zev Technologies, LLC | Assignment of Assignor's Interest |
| May 4, 2026 Reel 74556, frame 456 | Wolf, Alec | Zev Technologies, Inc. | Assignment of Assignor's Interest |
| May 12, 2026 Reel 75562, frame 524 | Silencerco Weapons Research, LLC; Unity Tactical LLC; Zev Technologies, LLC; Syndicate Optics Research, LLC; Sicosyndicate, LLC | 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 · 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.
What's changing
Jan 2037
Term ends Jan 13, 2037. Maintenance fees still fall due before then
Citations
2
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.