Term ends Nov 14, 2034 · High confidence
20-year base term ends Nov 14, 2034
Held by Ahf, LLC D/B/A Ahf Products
Filed Nov 14, 2014 as application 14/541,992 · Granted Feb 2, 2016
Base term, 20 years from filing
Today
2014
2034
Clock starts
Nov 14, 2014
Nov 14, 2014
Term ends
Nov 14, 2034
Nov 14, 2034
Granted
Feb 2, 2016
Feb 2, 2016
base term
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
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.
3
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 Nov 14, 2014, when this application, 14/541,992, was filed | Nov 14, 2034 | 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 | Nov 14, 2034 | High confidence |
This family
| US 9,249,582 | this patent Nov 2034 | Nov 2034 |
| Application PCT/US2015/060793 | PCT application no patent term | no patent term |
| US 9,611,655 | Lapsed on the fee record Apr 2021 | Apr 2021 |
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 |
|---|---|---|---|
| Nov 14, 2014 Reel 34177, frame 703 | Anspach, Kean M.; Eshbach, John R.; Stoll, Brent L.; Ramachandra, Sunil | Armstrong World Industries, Inc. | Assignment of Assignor's Interest |
| Dec 28, 2015 Reel 37363, frame 398 | Armstrong World Industries, Inc. | Awi Licensing Company | Assignment of Assignor's Interest |
| May 6, 2016 Reel 38629, frame 767 | Awi Licensing Company | Afi Licensing LLC | Assignment of Assignor's Interest |
| Oct 17, 2016 Reel 40381, frame 180 | Afi Licensing LLC | Bank of America, N.A., as Collateral Agent | Security Interest |
| Dec 31, 2018 Reel 47996, frame 459 | Bank of America, N.A., as Collateral Agent | Afi Licensing LLC | Release of Security Interest |
| Jan 2, 2019 Reel 47999, frame 554 | Afi Licensing LLC | Bank of America, N.A., as Collateral Agent | Security Interest |
| Jun 1, 2020 Reel 52804, frame 921 | Afi Licensing LLC | Bank of America, N.A., as Collateral Agent | Corrective Assignment to Correct the Property Numbers Previously Recorded at Reel: 47999 Frame: 554. Assignor(S) Hereby Confirms the Assignment. |
| Jun 24, 2020 Reel 53033, frame 726 | Armstrong Flooring, Inc.; Afi Licensing, LLC | Pathlight Capital, LP | Security Interest |
| Sep 9, 2020 Reel 53731, frame 16 | Afi Licensing LLC | Bank of America, N.A., as Collateral Agent | Security Interest |
| Jul 26, 2022 Reel 60934, frame 242 | Pathlight Capital LP | Armstrong Flooring, Inc.; Afi Licensing LLC | Release of Security Interest |
| Jul 26, 2022 Reel 60934, frame 566 | Bank Of America, N.a. | Armstrong Flooring, Inc.; Afi Licensing LLC | Release of Security Interest |
| Jul 26, 2022 reel/frame not recorded | Pathlight Capital LP | Armstrong Flooring, Inc. | Release of Security Interest |
| Jul 26, 2022 reel/frame not recorded | Pathlight Capital LP | Afi Licensing LLC | Release of Security Interest |
| Jul 26, 2022 reel/frame not recorded | Bank Of America, N.a. | Armstrong Flooring, Inc. | Release of Security Interest |
| Jul 26, 2022 reel/frame not recorded | Bank Of America, N.a. | Afi Licensing LLC | Release of Security Interest |
| Jan 26, 2023 Reel 62499, frame 179 | Afi Licensing LLC | Ahf, LLC D/B/A Ahf Products | 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
Nov 2034
Term ends Nov 14, 2034. Maintenance fees still fall due before then
Citations
15
later US patents cite this one
That is top 25% of utility patents granted in 2016 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.