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Compliant Diaphragm Medical Sensor and Technique for Using the Same

US 8,311,602 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Nov 13, 2024 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Held by Covidien LP
Filed Jun 24, 2009 as application 12/491,061 · Granted Nov 13, 2012
Base term, 20 years from filing, plus 627 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 13, 2024
2005 2027
Clock starts
Aug 8, 2005
No longer in force
Nov 13, 2024
Granted
Nov 13, 2012
Term would have run to
Apr 27, 2027
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
627
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.
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 Apr 27, 2027: its 20-year base term plus 627 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 Jun 24, 2009)Aug 8, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+627 days, USPTO patent term adjustment recordApr 27, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Nov 13, 2024High confidence
Computed term endThe steps above, in orderNov 13, 2024High confidence

This family

US 7,657,294In force
Nov 2026
Nov 2026
US 7,574,244Lapsed on the fee record
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 8,311,602this patent
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
Jul 17, 2012
Reel 28564, frame 841
Eghbal, Darius; Coakley, Joseph; Matlock, George L.; Raridan, William, JR.Nellcor Puritan Bennett IncorporatedAssignment of Assignor's Interest
Jul 17, 2012
Reel 28572, frame 77
Nellcor Puritan Bennett IncorporatedNellcor 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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