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US

Selective Powering of Medical Device Depending on Authentication of Power Adapter System

US 8,183,823 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Feb 9, 2012 (The Bank of New York Mellon Trust Company, N.A., as *Collateral Trustee).

Term ends Mar 30, 2029 · High confidence

Filed Apr 14, 2010 as application 12/760,331 · Granted May 22, 2012
Base term plus 301 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2008 2029
Clock starts
Jun 2, 2008
Term ends
Mar 30, 2029
Granted
May 22, 2012
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
301
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
8
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 301 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 2, 2008, when application 12/131,267, the earliest non-provisional in its chain, was filed (this one was filed Apr 14, 2010)Jun 2, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+301 days, USPTO patent term adjustment recordMar 30, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 30, 2029High confidence

This family

US 7,728,548In force
Nov 2028
Nov 2028
Application PCT/US2009/045943PCT application
no patent term
no patent term
US 8,183,823this patent
Mar 2029
Mar 2029
US 8,179,087In force
Mar 2029
Mar 2029
US 9,008,766In force
Jun 2028
Jun 2028
US 9,339,661In force
Jun 2028
Jun 2028
US 9,907,971Surrendered on reissue
no later than Dec 2023
no later than Dec 2023
US RE49,764In force
Jun 2028
Jun 2028
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
Apr 14, 2010
Reel 24232, frame 915
Neumiller, James S; Daynes, John C; Peterson, Kenneth J; McGrath, Thomas J; Nova, Richard CPhysio-Control, Inc.Assignment of Assignor's Interest
Feb 9, 2012
Reel 27765, frame 861
Physio-Control, Inc.The Bank of New York Mellon Trust Company, N.A., as *Collateral TrusteeSecurity Agreement
Feb 10, 2012
Reel 27763, frame 881
Physio-Control, Inc.Citibank, N.A., as Collateral AgentSecurity Agreement
Jan 14, 2016
Reel 37519, frame 240
The Bank of New York Mellon Trust Company, N.A.Physio-Control, Inc.Release of Security Interest
Jan 15, 2016
Reel 37532, frame 828
Physio-Control, Inc.; Physio-Control International, Inc.Citibank, N.A., as Collateral AgentFirst Lien Security Agreement
Jan 19, 2016
Reel 37559, frame 601
Physio-Control, Inc.; Physio-Control International, Inc.Citibank, N.A., as Collateral AgentSecond Lien Security Agreement
Apr 7, 2016
Reel 38376, frame 806
Citibank, N.a.Physio-Control, Inc.Release of Security Interest
Apr 7, 2016
Reel 38379, frame 1
Citibank, N.a.Physio-Control, Inc.; Physio-Control International, Inc.Release of Security Interest
Apr 7, 2016
reel/frame not recorded
Citibank, N.a.Physio-Control International, Inc.Release of Security 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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