Term ends Jan 10, 2031 · High confidence
20-year base term ends Jan 10, 2031
Held by Välinge Innovation AB
Filed Sep 18, 2023 as application 18/369,836 · Granted Apr 22, 2025
Base term, 20 years from filing
Today
2011
2031
Clock starts
Jan 10, 2011
Jan 10, 2011
Term ends
Jan 10, 2031
Jan 10, 2031
Granted
Apr 22, 2025
Apr 22, 2025
base term
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,833,028, to Jan 10, 2031. The term already ends on or before that date, so the cap shortened nothing.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
14
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 1 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 Jan 10, 2011, when application 12/987,573, the earliest non-provisional in its chain, was filed (this one was filed Sep 18, 2023) | Jan 10, 2031 | 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 | Disclaimer resolved from the filed document (refs US 8,833,028) | resolves to Jan 10, 2031, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 10, 2031 | High confidence |
This family
| US 8,833,028 | In force Jul 2032 | Jul 2032 |
| US 9,695,601 | In force Jan 2031 | Jan 2031 |
| US 10,704,269 | In force Jan 2031 | Jan 2031 |
| US 11,359,387 | In force Jan 2031 | Jan 2031 |
| US 11,795,701 | In force Jan 2031 | Jan 2031 |
| US 12,281,482 | this patent Jan 2031 | Jan 2031 |
| Application 19/076,451 | Pending not computed | not computed |
| US 12,467,267 | In force Jan 2031 | Jan 2031 |
8 of 14 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 |
|---|---|---|---|
| Sep 19, 2023 Reel 64953, frame 222 | Whispell, John M.; Chen, Hao A. | Mannington Mills, Inc. | Assignment of Assignor's Interest |
| Sep 19, 2023 Reel 64953, frame 747 | Mannington Mills, Inc. | Välinge Innovation AB | Assignment of Assignor's 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
Jan 2031
Term ends Jan 10, 2031. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,833,028, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.