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Protection of Proprietary Embedded Instruments

US 8,881,301 Grace period ended
OverviewAssignmentsSources & methods

Term ends Feb 7, 2032 · Low confidence

Grace period ended Nov 4, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected

Filed Oct 5, 2010 as application 12/898,533 · Granted Nov 4, 2014
Base term plus 490 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2010 2032
Clock starts
Oct 5, 2010
Term ends
Feb 7, 2032
Granted
Nov 4, 2014
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
490
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.

This patent's term runs 490 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: Low: the grace period for its third maintenance fee ended Nov 4, 2026 with no payment on record. 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 Oct 5, 2010, when this application, 12/898,533, was filedOct 5, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+490 days, USPTO patent term adjustment recordFeb 7, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"; the grace period ended with no payment on record in the fee filegrace period ended Nov 4, 2026Low confidence
Computed term endThe steps above, in orderFeb 7, 2032Low 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
Oct 5, 2010
Reel 25094, frame 925
Crouch, Alfred L.; Potter, John C.Asset Intertech, 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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