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6-ACYL-1,2,4-Triazine-3,5-Dione Derivative and Herbicides

US 8,969,554 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Mar 3, 2023 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Dec 28, 2012 as application 13/807,590 · Granted Mar 3, 2015
Base term, 20 years from filing
Today
Lapsed Mar 3, 2023
2011 2031
Clock starts
May 26, 2011
No longer in force
Mar 3, 2023
Granted
Mar 3, 2015
Term would have run to
May 26, 2031
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.
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.
17
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 May 26, 2031: 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 May 26, 2011, when application PCT/JP2011/062643, the earliest non-provisional in its chain, was filed (this one was filed Dec 28, 2012)May 26, 2031High 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 Mar 3, 2023High confidence
Computed term endThe steps above, in orderMar 3, 2023High confidence

This family

US 8,969,554this patent
Mar 2023
Mar 2023
US 9,573,909Lapsed on the fee record
Feb 2025
Feb 2025
US 10,070,647In force
Nov 2034
Nov 2034
US 10,294,202In force
Dec 2034
Dec 2034
US 10,081,608Lapsed on the fee record
Sep 2022
Sep 2022
US 12,016,335In force
Nov 2034
Nov 2034
Application 16/139,318Abandoned
not computed
not computed
US 11,589,583In force
Dec 2034
Dec 2034
8 of 17 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 28, 2012
Reel 29542, frame 425
Shibayama, Atsushi; Kajiki, Ryu; Kobvayashi, Masami; Mitsunari, Takashi; Nagamatsu, AtsushiKumiai Chemical Industry Co., Ltd.; Ihara Chemical Industry Co., Ltd.Assignment of Assignor's Interest
Dec 28, 2012
reel/frame not recorded
Mitsunari, Takashi; Nagamatsu, Atsushi; Shibayama, Atsushi; Kajiki, Ryu; Kobvayashi, MasamiKumiai Chemical Industry Co., Ltd.Assignment of Assignor's Interest
Dec 28, 2012
reel/frame not recorded
Mitsunari, Takashi; Nagamatsu, Atsushi; Shibayama, Atsushi; Kajiki, Ryu; Kobvayashi, MasamiIhara Chemical Industry Co., Ltd.Assignment of Assignor's Interest
Jul 3, 2013
Reel 30820, frame 734
Shibayama, Atsushi; Kajiki, Ryu; Kobayashi, Masami; Mitsunari, Takashi; Nagamatsu, AtsushiKumiai Chemical Industry Co., Ltd.; Ihara Chemical Industry Co., Ltd.Corrective Assignment to Correct the Spelling of the Name of Inventor Masami Kobayashi Previously Recorded on Reel 029542 Frame 0425. Assignor(S) Hereby Confirms the Correct Spelling of the Name of Inventor Masami Kobayashi.
Jul 3, 2013
reel/frame not recorded
Mitsunari, Takashi; Nagamatsu, Atsushi; Shibayama, Atsushi; Kajiki, Ryu; Kobayashi, MasamiKumiai Chemical Industry Co., Ltd.Corrective Assignment to Correct the Spelling of the Name of Inventor Masami Kobayashi Previously Recorded on Reel 029542 Frame 0425. Assignor(S) Hereby Confirms the Correct Spelling of the Name of Inventor Masami Kobayashi.
Jul 3, 2013
reel/frame not recorded
Mitsunari, Takashi; Nagamatsu, Atsushi; Shibayama, Atsushi; Kajiki, Ryu; Kobayashi, MasamiIhara Chemical Industry Co., Ltd.Corrective Assignment to Correct the Spelling of the Name of Inventor Masami Kobayashi Previously Recorded on Reel 029542 Frame 0425. Assignor(S) Hereby Confirms the Correct Spelling of the Name of Inventor Masami Kobayashi.
Mar 11, 2015
Reel 35140, frame 628
Kumiai Chemical Industry Co., Ltd.; Ihara Chemical Industry Co., Ltd.FMC CorporationAssignment of Assignor's Interest
Jun 16, 2015
Reel 35919, frame 574
Kumiai Chemical Industry Co., Ltd.; Ihara Chemical Industry Co., Ltd.FMC CorporationAssignment 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.

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