Collateral for a security interest recorded Apr 10, 2018 (Toronto-Dominion Bank).
Lapsed Nov 10, 2019 on the fee record · High confidence
20-year base term ends Dec 19, 2032
First maintenance fee unpaid; grace period ended.
Held by Specialized Desanders Inc.
Filed Dec 19, 2012 as application 13/720,554 · Granted Nov 10, 2015
Base term, 20 years from filing, plus 215 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 10, 2019
2012
2033
Clock starts
Dec 19, 2012
Dec 19, 2012
No longer in force
Nov 10, 2019
Nov 10, 2019
Granted
Nov 10, 2015
Nov 10, 2015
Term would have run to
Jul 22, 2033
Jul 22, 2033
base term
patent term adjustment
after the term ends
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
215
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
Its term would have run to Jul 22, 2033: its 20-year base term plus 215 days of term adjustment for prosecution delay. 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 Dec 19, 2012, when this application, 13/720,554, was filed | Dec 19, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +215 days, USPTO patent term adjustment record | Jul 22, 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 | 0 of 3 maintenance fees paid | lapsed Nov 10, 2019 | High confidence |
| Computed term end | The steps above, in order | Nov 10, 2019 | 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 | In force Feb 2033 | Feb 2033 |
| US 9,182,066 | this patent 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 |
|---|---|---|---|
| Jan 15, 2013 Reel 29633, frame 690 | Hemstock, Christopher A. | Specialized Tech Inc. | Assignment of Assignor's Interest |
| 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
Note
The 215 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
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.