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Structural Insulated Panel System

US 8,522,500 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Sep 3, 2021 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Oct 15, 2012 as application 13/652,076 · Granted Sep 3, 2013
Base term, 20 years from filing
Today
Lapsed Sep 3, 2021
2010 2030
Clock starts
Jan 20, 2010
No longer in force
Sep 3, 2021
Granted
Sep 3, 2013
Term would have run to
Jan 20, 2030
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
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 Jan 20, 2030: 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 Jan 20, 2010, when application 12/690,683, the earliest non-provisional in its chain, was filed (this one was filed Oct 15, 2012)Jan 20, 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 events1 of 3 maintenance fees paidlapsed Sep 3, 2021High confidence
Computed term endThe steps above, in orderSep 3, 2021High confidence

This family

US 8,286,399In force (reinstated)
Mar 2030
Mar 2030
US 8,522,500this patent
Sep 2021
Sep 2021
US 8,875,462In force
Jan 2030
Jan 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
Jan 9, 2013
Reel 29592, frame 935
Brown, Marion L.Hill Phoenix, Inc.Assignment of Assignor's Interest
Dec 30, 2015
Reel 37445, frame 50
KPS Global LLCAres Capital CorporationSecurity Agreement
Apr 5, 2017
Reel 41858, frame 231
KPS Global LLC; KPS Global Walk-Ins, LPAres Capital CorporationSecurity Interest
Apr 7, 2017
Reel 42191, frame 943
Ares Capital CorporationKPS Global LLCTermination of Security Interest in Patents
Apr 18, 2017
Reel 42039, frame 424
Hill Phoenix, Inc.KPS Global LLC F/K/A KPS Solutions, LLCAssignment of Assignor's Interest
Apr 18, 2017
Reel 42039, frame 541
KPS Solutions, LLCKPS Global LLCAssignment of Assignor's Interest
Oct 1, 2024
Reel 68753, frame 862
Ares Capital CorporationKPS Global LLC; KPS Global Walk-Ins LPRelease of Security Interest
Oct 1, 2024
reel/frame not recorded
Ares Capital CorporationKPS Global LLCRelease of Security Interest
Oct 1, 2024
reel/frame not recorded
Ares Capital CorporationKPS Global Walk-Ins LPRelease 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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