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Systems and Methods for Optimizing and Maintaining Visualization of a Surgical Field During the Use of Surgical Scopes

US 10,154,780 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Dec 18, 2022 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Dec 15, 2015 as application 14/970,296 · Granted Dec 18, 2018
Base term, 20 years from filing
Today
Lapsed Dec 18, 2022
2011 2031
Clock starts
Aug 4, 2011
No longer in force
Dec 18, 2022
Granted
Dec 18, 2018
Term would have run to
Aug 4, 2031
base term after the term ends 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.
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.
3
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 4, 2031: its 20-year base term, with no 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 Aug 4, 2011, when application 13/198,406, the earliest non-provisional in its chain, was filed (this one was filed Dec 15, 2015)Aug 4, 2031High 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 events0 of 3 maintenance fees paidlapsed Dec 18, 2022High confidence
Computed term endThe steps above, in orderDec 18, 2022High confidence

This family

US 9,211,059In force
Feb 2032
Feb 2032
US 10,154,780this patent
Dec 2022
Dec 2022
US 11,696,679In force
Feb 2032
Feb 2032
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 30, 2016
Reel 39054, frame 807
Drach, Gregory P.; Poll, Wayne L.Minimally Invasive Devices, Inc.Assignment of Assignor's Interest
Dec 12, 2016
Reel 40709, frame 284
Minimally Invasive Devices, Inc.Pacific Western BankSecurity Interest
Oct 13, 2017
Reel 43864, frame 814
Minimally Invasive Devices, Inc.Floshield, Inc.Assignment 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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