Term ended Jun 9, 2026 · High confidence
20-year base term ended Jun 9, 2026
Held by Hantover, Inc.
Filed Jun 30, 2015 as application 14/788,370 · Granted Apr 17, 2018
Base term plus 79 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Jun 9, 2026
2006
2026
Clock starts
Jun 9, 2006
Jun 9, 2006
Term ended
Jun 9, 2026
Jun 9, 2026
Granted
Apr 17, 2018
Apr 17, 2018
base term
after the term ends
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
79
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,037,611, US 8,281,493.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
7
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 79 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Jun 9, 2006, when application 11/423,266, the earliest non-provisional in its chain, was filed (this one was filed Jun 30, 2015) | Jun 9, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +79 days, USPTO patent term adjustment record | Aug 27, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,037,611, US 8,281,493) | capped to Jun 9, 2026 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Jun 9, 2026 | High confidence |
This family
| Application 11/423,266 | Abandoned not computed | not computed |
| US 8,037,611 | In force Aug 2028 | Aug 2028 |
| Application PCT/US2008/072367 | PCT application no patent term | no patent term |
| US 8,281,493 | Term ended Jun 2026 | Jun 2026 |
| US 9,168,663 | Term ended Jun 2026 | Jun 2026 |
| US 9,943,973 | this patent Jun 2026 | Jun 2026 |
| US 10,486,323 | Term ended Jul 2026 | Jul 2026 |
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 |
|---|---|---|---|
| Jul 1, 2015 Reel 35997, frame 490 | Levsen, Clark A. | Hantover, Inc. | Assignment of Assignor's Interest |
| Jun 18, 2019 Reel 49508, frame 725 | Hantover, Inc. | U.S. Bank National Association | Security Interest |
| Sep 20, 2019 Reel 50441, frame 355 | Hantover, Inc. | Cit Northbridge Credit LLC, as Agent | Security Interest |
| Sep 20, 2019 Reel 50445, frame 122 | U.S. Bank National Association | Hantover, Inc. | Release of Security Interest |
| Feb 3, 2025 Reel 70090, frame 95 | Cit Northbridge Credit LLC | Hantover, Inc. | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 79 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,037,611, US 8,281,493.
Citations
3
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.