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Artificial Functional Spinal Unit System and Method for Use

US 8,377,098 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Feb 19, 2021 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Jan 19, 2007 as application 11/655,724 · Granted Feb 19, 2013
Base term, 20 years from filing, plus 934 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 19, 2021
2007 2029
Clock starts
Jan 19, 2007
No longer in force
Feb 19, 2021
Granted
Feb 19, 2013
Term would have run to
Aug 10, 2029
base term patent term adjustment 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
934
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
6
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 10, 2029: its 20-year base term plus 934 days of term 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jan 19, 2007, when this application, 11/655,724, was filedJan 19, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+934 days, USPTO patent term adjustment recordAug 10, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Feb 19, 2021High confidence
Computed term endThe steps above, in orderFeb 19, 2021High confidence

This family

US 7,959,677Lapsed on the fee record
Jun 2019
Jun 2019
US 9,066,811In force
Apr 2028
Apr 2028
US 8,597,358Lapsed on the fee record
Dec 2025
Dec 2025
US 8,940,022Lapsed on the fee record
Jan 2019
Jan 2019
US 8,377,098this patent
Feb 2021
Feb 2021
Application PCT/US2008/051346PCT application
no patent term
no patent term
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
Apr 4, 2007
Reel 19166, frame 903
Landry, Michael E.; Wagner, Erik J.; Schular, Michael S.Flexuspine, Inc.Assignment of Assignor's Interest
Sep 26, 2023
Reel 65025, frame 374
Flexuspine, Inc.Tyler Fusion Technologies, 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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