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Suspended Ceiling System, Securing Members, and Process of Installing a Suspended Ceiling System

US 11,479,971 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 7, 2022 (Bank of America, N.A., as the Collateral Agent).

Term ends Oct 31, 2031 · High confidence

Filed Jul 21, 2020 as application 16/934,358 · Granted Oct 25, 2022
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Oct 31, 2011
Term ends
Oct 31, 2031
Granted
Oct 25, 2022
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,718,113, to Oct 31, 2031. The term already ends on or before that date, so the cap shortened nothing.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
8
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. 1 of 2 maintenance fees is 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Oct 31, 2011, when application 13/285,214, the earliest non-provisional in its chain, was filed (this one was filed Jul 21, 2020)Oct 31, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,718,113)resolves to Oct 31, 2031, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 31, 2031High confidence

This family

US 8,596,009In force
Dec 2031
Dec 2031
US 9,091,051In force
Oct 2031
Oct 2031
US 9,453,339In force
Oct 2031
Oct 2031
US 10,030,387In force
Oct 2031
Oct 2031
US 10,294,663In force
Oct 2031
Oct 2031
US 10,718,113In force
Oct 2031
Oct 2031
US 11,479,971this patent
Oct 2031
Oct 2031
US 11,952,776In force
Oct 2031
Oct 2031
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.
RecordedAssignorAssigneeConveyance
Jul 21, 2020
Reel 53264, frame 682
Baxter, Nathan; Waters, James RArmstrong World Industries, Inc.Assignment of Assignor's Interest
Sep 14, 2022
Reel 61091, frame 891
Armstrong World Industries, Inc.Awi Licensing LLCAssignment of Assignor's Interest
Dec 7, 2022
Reel 62081, frame 516
Awi Licensing LLCBank of America, N.A., as the Collateral AgentNotice of Grant of Security Interest in Patents

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.

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