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Chainring

US 9,862,456 In force, term unresolved
OverviewFamilyAssignmentsSources & methods

Term ends no later than Jan 13, 2032 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Held by Sram, LLC
Filed Nov 2, 2015 as application 14/929,749 · Granted Jan 9, 2018
Base term plus 38 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2011 2032
Clock starts
Dec 6, 2011
Ends no later than
Jan 13, 2032
Granted
Jan 9, 2018
base term patent term adjustment 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
38
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
9
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 38 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 Dec 6, 2011, when application 13/311,735, the earliest non-provisional in its chain, was filed (this one was filed Nov 2, 2015)Dec 6, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+38 days, USPTO patent term adjustment recordJan 13, 2032High confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Jan 13, 2032Medium confidence

This family

US 9,182,027In force
Dec 2031
Dec 2031
US 9,062,758In force
Apr 2032
Apr 2032
US 9,291,250In force
Dec 2031
Dec 2031
US 9,862,456this patent
no later than Jan 2032
no later than Jan 2032
US 9,650,107In force
no later than Dec 2031
no later than Dec 2031
US 9,731,790In force
Dec 2031
Dec 2031
US 9,493,211In force
no later than Dec 2031
no later than Dec 2031
US 9,731,791In force
Dec 2031
Dec 2031
8 of 9 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.
RecordedAssignorAssigneeConveyance
Jul 6, 2016
Reel 39083, frame 545
Reiter, Markus; Florczyk, Raymond; Braedt, HenrikSram, LLCAssignment 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.

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