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US

Chain Having a Plurality of Chain Links

US 7,472,539 In force
OverviewAssignmentsSources & methods

Term ends Jul 18, 2027 · High confidence

Filed Jul 18, 2007 as application 11/880,095 · Granted Jan 6, 2009
Base term, 20 years from filing
Today
20 years from filing
2007 2027
Clock starts
Jul 18, 2007
Term ends
Jul 18, 2027
Granted
Jan 6, 2009
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.
3 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.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 18, 2007, when this application, 11/880,095, was filedJul 18, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 18, 2027High confidence

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
Nov 5, 2007
Reel 20086, frame 167
Sporrer, JoachimLuk Lamellen und Kupplungsbau Beteiligungs KGAssignment of Assignor's Interest
Nov 18, 2008
Reel 21855, frame 209
Luk Lamellen und Kupplungsbau Beteiligungs KGSchaeffler KGAssignment 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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