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Compliant Diaphragm Medical Sensor and Technique for Using the Same

US 7,574,244 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Aug 11, 2017 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by Covidien LP
Filed Jul 28, 2006 as application 11/495,411 · Granted Aug 11, 2009
Base term, 20 years from filing, plus 475 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 11, 2017
2005 2026
Clock starts
Aug 8, 2005
No longer in force
Aug 11, 2017
Granted
Aug 11, 2009
Term would have run to
Nov 26, 2026
base term patent term adjustment after the term ends 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
475
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.
6
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 26, 2026: its 20-year base term plus 475 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 Aug 8, 2005, when application 11/199,345, the earliest non-provisional in its chain, was filed (this one was filed Jul 28, 2006)Aug 8, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+475 days, USPTO patent term adjustment recordNov 26, 2026High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Aug 11, 2017High confidence
Computed term endThe steps above, in orderAug 11, 2017High confidence

This family

US 7,657,294In force
Nov 2026
Nov 2026
US 7,574,244this patent
Aug 2017
Aug 2017
US 7,647,084In force
Dec 2026
Dec 2026
Application PCT/US2006/030674PCT application
no patent term
no patent term
US 8,311,602Lapsed on the fee record
Nov 2024
Nov 2024
US 8,991,034Lapsed on the fee record
Mar 2023
Mar 2023
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 9, 2009
Reel 22802, frame 886
Eghbal, Darius; Coakley, Joseph; Matlock, George L.; Raridan, William, JR.Nellcor Puritan Bennett LLCChange of Name
Nov 26, 2012
Reel 29346, frame 62
Nellcor Puritan Bennett LLCCovidien LPAssignment 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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