Collateral for a security interest recorded Dec 2, 2024 (Twin Brook Capital Partners, LLC).
Term ends Nov 30, 2030 · Medium confidence
20-year base term ends Nov 30, 2030
Why Medium: A parent in the chain could not be resolved.
Held by Zonar Systems, Inc.
Filed Aug 26, 2011 as application 13/219,467 · Granted May 26, 2020
Base term, 20 years from filing
Today
2010
2030
Clock starts
Nov 30, 2010
Nov 30, 2010
Term ends
Nov 30, 2030
Nov 30, 2030
Granted
May 26, 2020
May 26, 2020
base term
fee events
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.
1 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.
14
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. 1 of 2 maintenance fees is paid so far. Confidence: Medium. 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 Nov 30, 2010, when application 12/956,961, the earliest non-provisional in its chain, was filed (this one was filed Aug 26, 2011); a parent in its chain could not be resolved (the next row) | Nov 30, 2030 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 30, 2030 | Medium confidence |
This family
| Application 12/956,961 | Abandoned not computed | not computed |
| Application 13/157,203 | Abandoned not computed | not computed |
| US 10,600,096 | In force no later than Nov 2031 | no later than Nov 2031 |
| US 10,665,040 | this patent Nov 2030 | Nov 2030 |
| Application PCT/US2011/062480 | PCT application no patent term | no patent term |
| Application 14/940,047 | Abandoned not computed | not computed |
| Application 15/231,177 | Abandoned not computed | not computed |
| Application 15/231,160 | Abandoned not computed | not computed |
8 of 14 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 |
|---|---|---|---|
| Dec 2, 2011 Reel 27325, frame 621 | McQuade, Charles Michael; Brinton, Brett; Colvin, Greg | Zonar Systems, Inc. | Assignment of Assignor's Interest |
| Nov 17, 2014 Reel 34274, frame 129 | Zonar Systems, Inc. | Bank Of America, N.a. | Patent Security Agreement |
| Oct 28, 2016 Reel 40512, frame 99 | Bank Of America, N.a. | Zonar Systems, Inc. | Release of Security Interest |
| Dec 2, 2024 Reel 69466, frame 630 | Zonar Systems, Inc. | Twin Brook Capital Partners, LLC, as Agent | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Nov 2030
Term ends Nov 30, 2030. Maintenance fees still fall due before then
Citations
88
later US patents cite this one
That is top 5% of utility patents granted in 2020 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.