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Compositions and Methods for Differential Release of 1-Methylcyclopropene

US 11,591,415 In force
OverviewFamilyAssignmentsSources & methods

Term ends Apr 27, 2040 · High confidence

Filed Apr 30, 2020 as application 16/863,629 · Granted Feb 28, 2023
Base term, 20 years from filing
Today
20 years from filing
2020 2040
Clock starts
Apr 27, 2020
Term ends
Apr 27, 2040
Granted
Feb 28, 2023
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.
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.
12
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. 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 Apr 27, 2020, when application 16/859,399, the earliest non-provisional in its chain, was filed (this one was filed Apr 30, 2020)Apr 27, 2040High 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 paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 27, 2040High confidence

This family

US 12,583,944In force
Jan 2042
Jan 2042
US 11,591,415this patent
Apr 2040
Apr 2040
US 11,492,419In force
Apr 2040
Apr 2040
Application 17/232,710Pending
not computed
not computed
Application PCT/US2021/029148PCT application
no patent term
no patent term
Application PCT/US2021/029133PCT application
no patent term
no patent term
Application 17/921,414Pending
not computed
not computed
Application 19/451,112Pending
not computed
not computed
8 of 12 applications in this family shown, earliest filings first. 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
Dec 4, 2020
Reel 54591, frame 969
Cellresin Technologies, LLCVerdant Technologies, LLCChange of Name
Feb 1, 2021
Reel 55100, frame 50
Keute, Joseph S.Verdant Technologies, LLCAssignment of Assignor's Interest
Feb 8, 2021
Reel 55183, frame 583
Wood, Willard E.Verdant Technologies, LLCAssignment of Assignor's Interest
Feb 18, 2021
Reel 55321, frame 635
Lundgren, AmandaVerdant Technologies, LLCAssignment of Assignor's Interest
Feb 18, 2021
Reel 55321, frame 851
Sarageno, Joseph F., JR.Verdant Technologies, LLCAssignment of Assignor's 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 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited