The Patent Finder
US

Compostable Insulation for Shipping Container

US 11,040,818 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Nov 6, 2025 (JPMorgan Chase Bank, N.A.).

Term ends Apr 4, 2038 · High confidence

Filed Sep 27, 2019 as application 16/585,974 · Granted Jun 22, 2021
Base term plus 47 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2018 2038
Clock starts
Feb 16, 2018
Term ends
Apr 4, 2038
Granted
Jun 22, 2021
base term patent term adjustment 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
47
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,807,788, US 11,040,818, to Apr 4, 2038. The term already ends on or before that date, so the cap shortened nothing.
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.
7
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 runs 47 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 3 maintenance fees is paid so far. 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 Feb 16, 2018, when application 15/932,239, the earliest non-provisional in its chain, was filed (this one was filed Sep 27, 2019)Feb 16, 2038High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+47 days, USPTO patent term adjustment recordApr 4, 2038High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,807,788, US 11,040,818)resolves to Apr 4, 2038, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 4, 2038High confidence

This family

US 10,807,788In force
Aug 2038
Aug 2038
US 11,040,818this patent
Apr 2038
Apr 2038
US 11,358,780In force
Feb 2038
Feb 2038
US 11,794,983In force
Feb 2038
Feb 2038
US 12,434,898In force
Apr 2036
Apr 2036
Application 90/019,805Pending
not computed
not computed
Application 19/317,953Pending
not computed
not computed
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
Sep 27, 2019
Reel 50520, frame 202
Jobe, DarrellVericool, Inc.Assignment of Assignor's Interest
Oct 18, 2021
Reel 57816, frame 343
Vericool, Inc.Fish & Richardson P.C.Lien
Dec 28, 2021
Reel 58493, frame 967
Fish & Richardson PCVericool, Inc.Release of Security Interest
Mar 23, 2022
Reel 59378, frame 632
Vericool, Inc.Vcool (Assignment for Benefit of Creditors) LLCAssignment of Assignor's Interest
Mar 23, 2022
Reel 59483, frame 159
Vcool (Assignment for Benefit of Creditors) LLCVericool World, LLCAssignment of Assignor's Interest
Jan 13, 2023
Reel 62389, frame 186
Vericool World, LLCStoropack, Inc.Security Interest
Apr 18, 2023
Reel 63361, frame 948
Vericool World, LLCStoropack, Inc.Security Interest
Mar 18, 2024
Reel 66811, frame 187
Storopack, Inc.Vericool World LLCRelease of Security Interest
Mar 26, 2024
Reel 66898, frame 660
Storopack, Inc.Vericool World LLCRelease of Security Interest
Aug 28, 2025
Reel 72676, frame 364
Vericool World LLCTemperpack Technologies, Inc.Assignment of Assignor's Interest
Oct 2, 2025
Reel 72446, frame 926
Vericool, Inc.Vcool (Assignment for the Benefit of Creditors), LLCAssignment of Assignor's Interest
Oct 2, 2025
Reel 72447, frame 42
Vcool (Assignment for the Benefit of Creditors), LLCVericool World, LLCAssignment of Assignor's Interest
Nov 6, 2025
Reel 72816, frame 641
Temperpack Technologies Inc.Jpmorgan Chase Bank, N.a.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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited