Term ended Nov 12, 2026 · High confidence
20-year base term ended Jan 9, 2024
Held by Hanon Systems
Filed Jul 27, 2006 as application 10/541,820 · Granted Aug 3, 2010
Base term plus 1038 days of patent term adjustment (USPTO delay)
Today
Term ended Nov 12, 2026
2004
2026
Clock starts
Jan 9, 2004
Jan 9, 2004
Term ended
Nov 12, 2026
Nov 12, 2026
Granted
Aug 3, 2010
Aug 3, 2010
base term
patent term adjustment
after the term ends
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
1,038
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.
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 1038 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Jan 9, 2004, when application PCT/KR2004/000024, the earliest non-provisional in its chain, was filed (this one was filed Jul 27, 2006) | Jan 9, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1038 days, USPTO patent term adjustment record | Nov 12, 2026 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Nov 12, 2026 | High confidence |
This family
| US 7,766,078 | this patent Nov 2026 | Nov 2026 |
1 of 2 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 13, 2006 Reel 17183, frame 990 | Kim, Jong-su; Lee, Dae-woong | Halla Climate Control Corporation | Assignment of Assignor's Interest |
| Jun 28, 2013 Reel 30704, frame 554 | Halla Climate Control Corporation | Halla Visteon Climate Control Corporation | Change of Name |
| Oct 30, 2015 Reel 37007, frame 103 | Halla Visteon Climate Control Corporation | Hanon Systems | Change of Name |
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 1038 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 2010 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.