Collateral for a security interest recorded Apr 10, 2018 (Toronto-Dominion Bank).
Term ends Feb 14, 2033 · High confidence
20-year base term ends Feb 13, 2032
Held by Specialized Desanders Inc.
Filed Feb 13, 2012 as application 13/372,291 · Granted Feb 3, 2015
Base term plus 367 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Feb 13, 2012
Feb 13, 2012
Term ends
Feb 14, 2033
Feb 14, 2033
Granted
Feb 3, 2015
Feb 3, 2015
base term
patent term adjustment
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
367
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
9
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 367 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Feb 13, 2012, when this application, 13/372,291, was filed | Feb 13, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +367 days, USPTO patent term adjustment record | Feb 14, 2033 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 14, 2033 | High confidence |
This family
| US 6,983,852 | Term ended Jan 2024 | Jan 2024 |
| US 7,383,958 | Term ended no later than Nov 2023 | no later than Nov 2023 |
| US 8,945,256 | this patent Feb 2033 | Feb 2033 |
| US 9,182,066 | Lapsed on the fee record Nov 2019 | Nov 2019 |
| US 9,327,214 | In force Sep 2032 | Sep 2032 |
| Application 62/087,604 | Provisional application no patent term | no patent term |
| US 9,938,812 | In force Jul 2032 | Jul 2032 |
| US 9,695,661 | In force Dec 2032 | Dec 2032 |
8 of 9 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 19, 2013 Reel 30646, frame 913 | Hemstock, Christopher A. | Specialized Tech Inc. | Nunc Pro Tunc Assignment |
| Sep 12, 2013 Reel 31207, frame 886 | Specialized Tech Inc. | Triangle Capital Corporation | Security Agreement |
| Nov 11, 2013 Reel 31611, frame 849 | Specialized Tech Inc. | PNC Bank Canada Branch | Security Agreement |
| Jan 29, 2014 Reel 32136, frame 423 | Specialized Tech Inc. | Specialized Desanders Inc. | Change of Name |
| Mar 7, 2018 Reel 45137, frame 739 | PNC Bank Canada Branch | Specialized Desanders Inc. | Release of Security Interest |
| Apr 10, 2018 Reel 45492, frame 711 | Specialized Desanders Inc. | Toronto-Dominion Bank | Security Interest |
| Jul 7, 2020 Reel 53139, frame 623 | Specialized Desanders Inc. | The Toronto-Dominion Bank | 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
Feb 2033
Term ends Feb 14, 2033. No further fees fall due before then
Note
The 367 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 below the median of utility patents granted in 2015 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.