Collateral for a security interest recorded Sep 7, 2021 (Wells Fargo Bank, National Association).
Term ends Dec 10, 2039 · High confidence
20-year base term ends Aug 15, 2039
Held by TNT Crane & Rigging, Inc.
Filed Aug 15, 2019 as application 16/541,888 · Granted May 18, 2021
Base term plus 117 days of patent term adjustment (USPTO delay)
Today
2019
2039
Clock starts
Aug 15, 2019
Aug 15, 2019
Term ends
Dec 10, 2039
Dec 10, 2039
Granted
May 18, 2021
May 18, 2021
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
117
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
2
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 runs 117 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Aug 15, 2019, when this application, 16/541,888, was filed | Aug 15, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +117 days, USPTO patent term adjustment record | Dec 10, 2039 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 10, 2039 | High confidence |
This family
| Application 62/721,229 | Provisional application no patent term | no patent term |
| US 11,008,199 | this patent Dec 2039 | Dec 2039 |
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 15, 2019 Reel 50066, frame 525 | Appling, Michael | TNT Crane & Rigging, Inc. | Assignment of Assignor's Interest |
| Jun 4, 2020 Reel 52838, frame 243 | TNT Crane & Rigging, Inc. | Wilmington Savings Fund Society, FSB | Security Interest |
| Jun 26, 2020 Reel 53057, frame 423 | TNT Crane & Rigging, Inc. | Cortland Capital Market Services, LLC | Security Interest |
| Oct 16, 2020 Reel 54333, frame 88 | TNT Crane & Rigging, Inc. | Wells Fargo Bank, N.a. | Priority First Lien Credit Agreement Patent Short Form Security Agreement |
| Oct 16, 2020 Reel 54333, frame 156 | TNT Crane & Rigging, Inc. | Wells Fargo Bank, N.a. | Takeback First Lien Credit Agreement Patent Short Form Security Agreement |
| Dec 3, 2020 Reel 54527, frame 12 | Cortland Capital Market Services, LLC | TNT Crane & Rigging, Inc. | Release of Security Interest |
| Sep 3, 2021 Reel 57405, frame 744 | TNT Crane & Rigging, Inc. | Wells Fargo Bank, N.A., as Collateral Agent | Patent Short Form Security Agreement |
| Sep 4, 2021 Reel 57419, frame 238 | Wells Fargo Bank, N.A., as Administrative Agent | TNT Crane & Rigging, Inc. | Release of Security Interest in Patents - (Reel/Frame 054333/0156) |
| Sep 7, 2021 Reel 57400, frame 359 | Wells Fargo Bank, N.A., as Administrative Agent | TNT Crane & Rigging, Inc. | Release of Security Interest |
| Sep 7, 2021 Reel 57507, frame 921 | TNT Crane & Rigging, Inc. | Wells Fargo Bank, National Association, as Agent | Security Agreement |
| Sep 24, 2021 Reel 57598, frame 63 | Wilmington Savings Fund Society, FSB | TNT Crane & Rigging, Inc. | Release of First Lien Patent Short Form Security Agreement |
| Mar 6, 2026 Reel 74003, frame 528 | TNT Crane & Rigging, Inc. | Wells Fargo Bank, N.A., as Collateral Agent | Security Interest |
| Mar 9, 2026 Reel 74010, frame 820 | TNT Crane & Rigging, Inc. | Wells Fargo 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2039
Term ends Dec 10, 2039. Maintenance fees still fall due before then
Note
The 117 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
6
later US patents cite this one
That is top 25% of utility patents granted in 2021 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.