Collateral for a security interest recorded Dec 23, 2021 (The Toronto-Dominion Bank).
Term ends Mar 5, 2034 · High confidence
20-year base term ends Mar 5, 2034
Held by Heathco LLC
Filed Feb 8, 2017 as application 15/427,766 · Granted Feb 27, 2018
Base term, 20 years from filing
Today
2014
2034
Clock starts
Mar 5, 2014
Mar 5, 2014
Term ends
Mar 5, 2034
Mar 5, 2034
Granted
Feb 27, 2018
Feb 27, 2018
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.
2 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.
3
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. 2 of 3 maintenance fees are 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 Mar 5, 2014, when application 14/198,292, the earliest non-provisional in its chain, was filed (this one was filed Feb 8, 2017) | Mar 5, 2034 | 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 |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Mar 5, 2034 | High confidence |
This family
| US 9,172,199 | In force Mar 2034 | Mar 2034 |
| US 9,595,794 | In force Mar 2034 | Mar 2034 |
| US 9,905,976 | this patent Mar 2034 | Mar 2034 |
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 |
|---|---|---|---|
| Feb 23, 2017 Reel 41360, frame 778 | Birdwell, Timothy Gale; Bretschneider, Eric Colin; Fitzgibbon, James J.; Moore, Bradley T.; Tylicki, Scott Blaise | Heathco LLC | Assignment of Assignor's Interest |
| Dec 23, 2021 Reel 58980, frame 186 | Heathco LLC | The Toronto-Dominion Bank | Security Interest |
| Jul 25, 2024 Reel 68235, frame 742 | Globe Electric Company Inc.; Heathco LLC | Alter Domus (US) LLC | Assignment for Security – Patents and Industrial Designs |
| Jul 31, 2024 Reel 68235, frame 716 | Globe Electric Company Inc.; Heathco LLC | Bank Of America, N.a. | Assignment for Security - Patents and Industrial Designs |
| Aug 15, 2024 reel/frame not recorded | Toronto-Dominion Bank | Globe Electric Company Inc. | Release of Security Interest |
| Aug 15, 2024 reel/frame not recorded | Toronto-Dominion Bank | Heathco, LLC | Release of Security Interest |
| Aug 15, 2024 Reel 68654, frame 433 | Toronto-Dominion Bank | Globe Electric Company Inc.; Heathco, LLC | Release of 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
Mar 2034
Term ends Mar 5, 2034. Maintenance fees still fall due before then
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2018 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.