Lapsed Jun 11, 2021 on the fee record · High confidence
20-year base term ended Aug 2, 2026
Second maintenance fee unpaid; grace period ended.
Held by Afi Licensing LLC
Filed Jun 3, 2009 as application 12/455,518 · Granted Jun 11, 2013
Base term, 20 years from filing
Today
Lapsed Jun 11, 2021
2006
2026
Clock starts
Aug 2, 2006
Aug 2, 2006
No longer in force
Jun 11, 2021
Jun 11, 2021
Granted
Jun 11, 2013
Jun 11, 2013
Term would have run to
Aug 2, 2026
Aug 2, 2026
base term
after the term ends
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.
1 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.
42
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Aug 2, 2026: its 20-year base term, with no adjustment for prosecution delay. 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 Aug 2, 2006, when application 11/497,768, the earliest non-provisional in its chain, was filed (this one was filed Jun 3, 2009) | Aug 2, 2026 | 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 | 1 of 3 maintenance fees paid | lapsed Jun 11, 2021 | High confidence |
| Computed term end | The steps above, in order | Jun 11, 2021 | High confidence |
This family
| US 7,381,474 | Term ended Feb 2024 | Feb 2024 |
| US 7,261,947 | Term ended Jan 2024 | Jan 2024 |
| Application PCT/US2004/039351 | PCT application no patent term | no patent term |
| US 7,858,170 | In force Feb 2029 | Feb 2029 |
| Application 11/729,518 | Abandoned not computed | not computed |
| US 8,287,971 | Lapsed on the fee record Oct 2020 | Oct 2020 |
| US 8,496,779 | Lapsed on the fee record Jul 2021 | Jul 2021 |
| US 8,460,757 | this patent Jun 2021 | Jun 2021 |
8 of 42 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 |
|---|---|---|---|
| Jun 18, 2009 Reel 22842, frame 138 | Tian, Dong | Armstrong World Industries, Inc. | Assignment of Assignor's Interest |
| Feb 7, 2014 Reel 32169, frame 412 | 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 |
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.
Citations
0
later US patents cite this one
That is below the median 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.