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Sealed Air Gap for Semiconductor Chip

US 8,871,624 Grace period ended
OverviewFamilyAssignmentsSources & methods

Also listed on International Business Machines Corporation, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Oct 28, 2030 · Low confidence

Grace period ended Oct 28, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected

Filed Jan 16, 2013 as application 13/742,916 · Granted Oct 28, 2014
Base term, 20 years from filing
Today
20 years from filing
2010 2030
Clock starts
Oct 28, 2010
Term ends
Oct 28, 2030
Granted
Oct 28, 2014
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
2
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 is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: Low: the grace period for its third maintenance fee ended Oct 28, 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 28, 2010, when application 12/914,132, the earliest non-provisional in its chain, was filed (this one was filed Jan 16, 2013)Oct 28, 2030High 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 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 Oct 28, 2026Low confidence
Computed term endThe steps above, in orderOct 28, 2030Low confidence

This family

US 8,390,079In force
Jan 2031
Jan 2031
US 8,871,624this patent
Oct 2030
Oct 2030
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
Feb 7, 2013
Reel 29772, frame 456
Horak, David V.; Huang, Elbert E.; Koburger, Charles W., III; La Tulipe, Douglas C., JR.; Ponoth, ShomInternational Business Machines CorporationAssignment of Assignor's Interest
Sep 3, 2015
Reel 36550, frame 1
International Business Machines CorporationGlobalFoundries U.S. 2 LLCAssignment of Assignor's Interest
Oct 5, 2015
Reel 36779, frame 1
GlobalFoundries U.S. 2 LLC; GlobalFoundries U.S. Inc.GlobalFoundries Inc.Assignment of Assignor's Interest
Nov 29, 2018
Reel 49490, frame 1
GlobalFoundries Inc.Wilmington Trust, National AssociationSecurity Agreement
Nov 2, 2020
Reel 54633, frame 1
GlobalFoundries Inc.GlobalFoundries U.S. Inc.Assignment of Assignor's Interest
Nov 20, 2020
Reel 54636, frame 1
Wilmington Trust, National AssociationGlobalFoundries Inc.Release of Security Interest
May 12, 2021
Reel 56987, frame 1
Wilmington Trust, National AssociationGlobalFoundries U.S. Inc.Release of Security 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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