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US

Methods for Recycling Cotton and Polyester Fibers from Waste Textiles

US 12,655,268 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 11, 2039 · Low confidence

Held by Circ, LLC
Filed Jun 10, 2024 as application 18/738,615 · Granted Jun 16, 2026
Base term plus 61 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2019 2039
Clock starts
Jan 11, 2019
Term ends
Jan 11, 2039
Granted
Jun 16, 2026
base term 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
61
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,501,599, US 11,180,629, US 11,370,895, US 12,006,403.
0 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.
6
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 runs 61 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 3 maintenance fees are paid so far. Confidence: Low. 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 Jan 11, 2019, when application 16/246,044, the earliest non-provisional in its chain, was filed (this one was filed Jun 10, 2024); a parent in its chain could not be resolved (the next row)Jan 11, 2039High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+61 days, USPTO patent term adjustment recordMar 13, 2039High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,501,599, US 11,180,629, US 11,370,895, US 12,006,403)capped to Jan 11, 2039High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Further caveats on recordThe record names parents not resolved: 17019877, 16246044, 16246044, 17019877Low confidence overallLow confidence
Computed term endThe steps above, in orderJan 11, 2039Low confidence

This family

US 10,501,599In force
Jan 2039
Jan 2039
US 11,180,629In force
Feb 2039
Feb 2039
US 11,370,895In force
Feb 2039
Feb 2039
US 12,006,403In force
Feb 2039
Feb 2039
US 12,655,268this patent
Jan 2039
Jan 2039
Application 19/706,025Pending
not computed
not computed
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
Jun 10, 2024
Reel 67674, frame 29
Barla, Florin G.; Showalter, Todd; Su, Hsun-cheng; Jones, Jeremy; Bobe, IulianTyton Biosciences, LLCAssignment of Assignor's Interest
Jun 10, 2024
Reel 67681, frame 740
Tyton Biosciences LLCCirc, LLCChange of Name

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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