Also listed on SK Enpulse Co., Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 7, 2030 · High confidence
20-year base term ended Apr 5, 2026
Held by Solmics Co., Ltd.
Filed Oct 12, 2007 as application 11/911,416 · Granted Jul 16, 2013
Base term plus 1677 days of patent term adjustment (USPTO delay)
Today
2006
2030
Clock starts
Apr 5, 2006
Apr 5, 2006
Term ends
Nov 7, 2030
Nov 7, 2030
Granted
Jul 16, 2013
Jul 16, 2013
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
1,677
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 1677 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 Apr 5, 2006, when application PCT/KR2006/001248, the earliest non-provisional in its chain, was filed (this one was filed Oct 12, 2007) | Apr 5, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1677 days, USPTO patent term adjustment record | Nov 7, 2030 | 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 | Nov 7, 2030 | High confidence |
This family
| US 8,486,496 | this patent Nov 2030 | Nov 2030 |
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 |
|---|---|---|---|
| Oct 12, 2007 Reel 19958, frame 442 | Ko, Kyung-hyun; Lee, Ha-yong; Lee, Jae-hong; Lee, Jae-jung; Yu, Young-ho | SNT Co., Ltd. | Assignment of Assignor's Interest |
| Feb 19, 2010 Reel 23961, frame 319 | SNT Co., Ltd. | SKC Solemics Co., Ltd. | Change of Name |
| Feb 22, 2010 Reel 23968, frame 18 | SNT Co., Ltd. | SKC Solmics Co., Ltd. | Corrective Assignment to Correct the Name of New Assignee Should Be Changed to SKC Solmics Co., LTD. Previously Recorded on Reel 023961 Frame 0319. Assignor(S) Hereby Confirms the Coversheet and Assignment Used in Original Assignment. |
| Nov 9, 2023 Reel 65509, frame 991 | SKC Solmics Co., Ltd. | SK Enpulse Co., Ltd. | Change of Name |
| May 23, 2024 Reel 67502, frame 481 | SK Enpulse Co. | Solmics Co., Ltd. | Assignment of Assignor's Interest |
| May 28, 2024 Reel 67555, frame 822 | SK Enpulse Co., Ltd. | Solmics Co., Ltd. | Corrective Assignment to Correct the the Assignor's Name from SK Enpulse Co. to SK Enpulse Co., LTD Previously Recorded at Reel: 67502 Frame: 481. Assignor(S) Hereby Confirms the Assignment. |
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.
What's changing
Nov 2030
Term ends Nov 7, 2030. No further fees fall due before then
Note
The 1677 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
23
later US patents cite this one
That is top 25% of utility patents granted in 2013 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.