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Working Fluid for Heat Cycle, Composition for Heat Cycle System, and Heat Cycle System

US 11,421,136 In force
OverviewFamilySources & methods

Term ends Feb 4, 2034 · Medium confidence

Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 10,472,551, US 10,501,667), so the cap could be lower.

Held by AGC Inc.
Filed Mar 16, 2021 as application 17/202,426 · Granted Aug 23, 2022
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
20 years from filing
2014 2034
Clock starts
Jul 7, 2014
Term ends
Feb 4, 2034
Granted
Aug 23, 2022
base term after the term ends 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.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,358,591, US 10,418,876, US 10,472,551, US 10,501,667, US 10,975,280, US 11,447,676, US 9,624,413, US 9,828,537.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
8
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 resolved from the filed document caps it earlier. 1 of 2 maintenance fees is paid so far. Confidence: Medium. 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 Jul 7, 2014, when application PCT/JP2014/068084, the earliest non-provisional in its chain, was filed (this one was filed Mar 16, 2021)Jul 7, 2034High 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 10,358,591, US 10,418,876, US 10,472,551, US 10,501,667, US 10,975,280, US 11,447,676, US 9,624,413, US 9,828,537)capped to Feb 4, 2034Medium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 4, 2034Medium confidence

This family

US 9,828,537In force
Feb 2034
Feb 2034
US 10,472,551In force
no later than Jul 2034
no later than Jul 2034
US 10,975,280In force
Feb 2034
Feb 2034
US 11,421,136this patent
Feb 2034
Feb 2034
US 11,447,676In force
Jul 2034
Jul 2034
US 11,905,455In force
no later than Jul 2034
no later than Jul 2034
Application 18/402,811Pending
not computed
not computed
7 of 8 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

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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