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On-Off Valve and Process Apparatus Employing the On-Off Valve

US 8,123,194 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Feb 28, 2020 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Mar 14, 2008 as application 12/076,129 · Granted Feb 28, 2012
Base term, 20 years from filing, plus 606 days of patent term adjustment (USPTO delay)
Today
Lapsed Feb 28, 2020
2008 2029
Clock starts
Mar 14, 2008
No longer in force
Feb 28, 2020
Granted
Feb 28, 2012
Term would have run to
Nov 10, 2029
base term patent term adjustment 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
606
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
85
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 Nov 10, 2029: its 20-year base term plus 606 days of term 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 Mar 14, 2008, when this application, 12/076,129, was filedMar 14, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+606 days, USPTO patent term adjustment recordNov 10, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Feb 28, 2020High confidence
Computed term endThe steps above, in orderFeb 28, 2020High confidence

This family

US 8,123,194this patent
Feb 2020
Feb 2020
Application 12/076,975Abandoned
not computed
not computed
Application 12/147,707Abandoned
not computed
not computed
Application 12/238,692Abandoned
not computed
not computed
Application 12/304,324Abandoned
not computed
not computed
US 8,030,717Lapsed on the fee record
Oct 2015
Oct 2015
Application 12/410,492Abandoned
not computed
not computed
Application 12/487,719Abandoned
not computed
not computed
8 of 85 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
Mar 14, 2008
Reel 20698, frame 583
Nozawa, ToshihisaTokyo Electron LimitedAssignment 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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