The Patent Finder
US

Gel Comprising a Phase-Change Material, Method of Preparing the Gel, Thermal Exchange Implement Comprising the Gel, and Method of Preparing the Thermal Exchange Implement

US 10,829,675 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 25, 2033 · High confidence

Filed Sep 17, 2018 as application 16/132,926 · Granted Nov 10, 2020
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Sep 25, 2013
Term ends
Sep 25, 2033
Granted
Nov 10, 2020
base term 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,077,389, US 9,598,622, to Sep 25, 2033. 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.
5
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. 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 Sep 25, 2013, when application 14/036,497, the earliest non-provisional in its chain, was filed (this one was filed Sep 17, 2018)Sep 25, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,077,389, US 9,598,622)resolves to Sep 25, 2033, 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 orderSep 25, 2033High confidence

This family

US 9,556,373In force
Sep 2033
Sep 2033
US 9,598,622In force
Sep 2033
Sep 2033
US 10,077,389In force
Sep 2033
Sep 2033
US 10,829,675this patent
Sep 2033
Sep 2033
US 11,739,244In force
Sep 2033
Sep 2033
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
Aug 2, 2019
Reel 49945, frame 515
Cold Chain Technologies, LLCAntares Capital LP, as AgentPatent Security Agreement
Apr 23, 2020
Reel 52474, frame 300
Formato, Richard M.; Bakllas, Dimitrios P.; Biswal, Amrut N.Cold Chain Technologies, Inc.Assignment of Assignor's Interest
Apr 23, 2020
Reel 52474, frame 412
Cold Chain Technologies, Inc.Cold Chain Technologies, Inc.Change of Address of Assignee
Apr 23, 2020
Reel 52474, frame 521
Cold Chain Technologies, Inc.Cold Chain Technologies, LLCChange of Name

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