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Oxygen Depletion Devices and Methods for Removing Oxygen from Red Blood Cells

US 9,296,990 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jul 21, 2031 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Sep 26, 2013 as application 14/038,001 · Granted Mar 29, 2016
Base term plus 282 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2010 2031
Clock starts
Oct 12, 2010
Term ends
Jul 21, 2031
Granted
Mar 29, 2016
base term patent term adjustment fee events Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
282
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
15
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 runs 282 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are 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 Oct 12, 2010, when application 12/903,057, the earliest non-provisional in its chain, was filed (this one was filed Sep 26, 2013); a parent in its chain could not be resolved (the next row)Oct 12, 2030High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+282 days, USPTO patent term adjustment recordJul 21, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJul 21, 2031Medium confidence

This family

US 8,569,052In force
Oct 2030
Oct 2030
US 10,136,635In force
Aug 2033
Aug 2033
US 9,199,016In force
Jun 2032
Jun 2032
US 9,005,343In force
Jun 2031
Jun 2031
US 9,296,990this patent
Jul 2031
Jul 2031
US 9,844,615In force
Nov 2030
Nov 2030
US 10,603,417In force
Apr 2031
Apr 2031
US 11,284,616In force
Oct 2030
Oct 2030
8 of 15 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
Sep 27, 2013
Reel 31294, frame 670
Federspiel, William J.; Frankowski, Brian J.University of Pittsburgh-of the Commonwealth System of Higher EducationAssignment of Assignor's Interest
Sep 27, 2013
Reel 31294, frame 677
Yoshida, Tatsuro; Vernucci, Paul J.New Health Sciences, Inc.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.

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