Term ends Feb 2, 2029 · High confidence
20-year base term ends Feb 2, 2029
Held by KHS GmbH
Filed Oct 27, 2010 as application 12/921,260 · Granted Jan 17, 2017
Base term, 20 years from filing
Today
2009
2029
Clock starts
Feb 2, 2009
Feb 2, 2009
Term ends
Feb 2, 2029
Feb 2, 2029
Granted
Jan 17, 2017
Jan 17, 2017
base term
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
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.
28
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 Feb 2, 2009, when application PCT/DE2009/000150, the earliest non-provisional in its chain, was filed (this one was filed Oct 27, 2010) | Feb 2, 2029 | 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 | Feb 2, 2029 | High confidence |
This family
| US 8,961,688 | In force Jun 2027 | Jun 2027 |
| US 8,574,486 | Lapsed on the fee record Nov 2025 | Nov 2025 |
| US 8,450,113 | Lapsed on the fee record May 2025 | May 2025 |
| US 8,354,054 | Lapsed on the fee record Jan 2025 | Jan 2025 |
| US 8,980,162 | In force Jul 2029 | Jul 2029 |
| US 9,925,710 | In force Mar 2032 | Mar 2032 |
| US 8,167,607 | Lapsed on the fee record May 2024 | May 2024 |
| US 9,545,748 | this patent Feb 2029 | Feb 2029 |
8 of 28 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 27, 2010 Reel 25206, frame 52 | Balkau, Karl-heinz; Matthiesen, Martin; Haesendonckx, Frank | KHS Corpoplast GmbH & Co. KG | Assignment of Assignor's Interest |
| Aug 2, 2013 Reel 30935, frame 993 | KHS Corpoplast GmbH & Co. KG | KHS Corpoplast GmbH | Change of Name |
| Jul 19, 2022 Reel 60715, frame 640 | KHS Corpoplast GmbH | KHS GmbH | Merger |
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
Feb 2029
Term ends Feb 2, 2029. Maintenance fees still fall due before then
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2017 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.