Collateral for a security interest recorded Dec 23, 2021 (Royal Bank of Canada).
Term ends Nov 20, 2026 · High confidence
Held by Diversitech Corporation
Filed Apr 2, 2012 as application 29/417,314 · Granted Nov 20, 2012
Base term, 14 years from grant
Today
2012
2026
Clock starts
Nov 20, 2012
Nov 20, 2012
Term ends
Nov 20, 2026
Nov 20, 2026
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.
14 years from grant
Base term
No maintenance fees are payable on this kind of patent.
This patent's term is its base term, 14 years from grant, with no adjustment for prosecution delay. No maintenance fees are payable on this kind of patent. 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, 14 years from grant | Granted Nov 20, 2012 | Nov 20, 2026 | 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 |
| Computed term end | The steps above, in order | Nov 20, 2026 | High confidence |
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 |
|---|---|---|---|
| May 18, 2012 Reel 28233, frame 239 | Ward, Charles Barry | Diversitech Corporation | Assignment of Assignor's Interest |
| Jan 16, 2013 Reel 29645, frame 174 | Diversitech Corporation | Regions Bank, As Administrative Agent | Security Agreement |
| May 27, 2015 Reel 35782, frame 780 | Diversitech Corporation | BMO Harris Bank N.A., as Agent | First Lien Intellectual Property Security Agreement |
| May 27, 2015 Reel 35792, frame 569 | Diversitech Corporation | Goldman Sachs BDC, Inc., as Collateral Agent | Security Interest |
| May 28, 2015 Reel 35793, frame 688 | Regions Bank | Diversitech Corporation | Termination and Release of Security Agreement (PATENTS) |
| Jun 1, 2017 Reel 42647, frame 864 | Diversitech Corporation | Royal Bank of Canada, as First Lien Collateral Agent and Assignee | Security Interest |
| Jun 1, 2017 Reel 42648, frame 397 | Diversitech Corporation | Royal Bank of Canada, as Second Lien Collateral Agent and Assignee | Security Interest |
| Jun 1, 2017 Reel 42667, frame 802 | BMO Harris Bank N.A. | Diversitech Corporation | Release of Security Interest |
| Jun 1, 2017 Reel 42667, frame 832 | Goldman Sachs BDC, Inc. | Diversitech Corporation | Release of Security Interest |
| Dec 22, 2021 Reel 58575, frame 909 | Royal Bank of Canada | Diversitech Corporation; Triatomic Environmental, Inc. | Release of Security Interest |
| Dec 22, 2021 reel/frame not recorded | Royal Bank of Canada | Diversitech Corporation | Release of Security Interest |
| Dec 22, 2021 reel/frame not recorded | Royal Bank of Canada | Triatomic Environmental, Inc. | Release of Security Interest |
| Dec 23, 2021 Reel 58528, frame 954 | Diversitech Corporation; Triatomic Environmental, Inc.; Stride Tool, LLC; Quick-Sling, LLC | Royal Bank of Canada as Collateral Agent | Second Lien Patent Security Agreement |
| Dec 23, 2021 Reel 58576, frame 51 | Diversitech Corporation; Triatomic Environmental, Inc.; Stride Tool, LLC; Quick-Sling, LLC | Royal Bank of Canada as Collateral Agent | First Lien Patent Security Agreement |
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
Nov 2026
Term ends Nov 20, 2026. No maintenance fees are payable on this kind of patent
Citations
1
later US patent cites this one
That is below the median of design patents granted in 2012 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.