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White Turbid State Diagnostic Apparatus

US 9,286,519 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Mar 15, 2024 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Jun 26, 2013 as application 13/928,001 · Granted Mar 15, 2016
Base term, 20 years from filing, plus 301 days of patent term adjustment (USPTO delay)
Today
Lapsed Mar 15, 2024
2013 2034
Clock starts
Jun 26, 2013
No longer in force
Mar 15, 2024
Granted
Mar 15, 2016
Term would have run to
Apr 23, 2034
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
301
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.
11
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 Apr 23, 2034: its 20-year base term plus 301 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 Jun 26, 2013, when this application, 13/928,001, was filedJun 26, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+301 days, USPTO patent term adjustment recordApr 23, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Mar 15, 2024High confidence
Computed term endThe steps above, in orderMar 15, 2024High confidence

This family

Application 13/501,089Abandoned
not computed
not computed
Application 13/514,575Abandoned
not computed
not computed
US 9,204,108Lapsed on the fee record
Dec 2023
Dec 2023
US 9,118,838In force
Feb 2034
Feb 2034
US 9,131,199Lapsed on the fee record
Sep 2019
Sep 2019
US 9,286,519this patent
Mar 2024
Mar 2024
Application 13/932,762Abandoned
not computed
not computed
US 9,224,051In force
Mar 2034
Mar 2034
8 of 11 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
Jun 26, 2013
Reel 30693, frame 20
Irie, Kota; Muramatsu, Shoji; Kondou, Shunsuke; Kiyohara, MasahiroClarion Co., Ltd.Assignment 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