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Cushion for a Respiratory Mask Assembly

US 7,971,590 In force

Also listed on Resmed Limited, which filed it. The recorded assignments below show how it moved.

Term ends Aug 10, 2028 · Medium confidence

Held by Resmed Pty Ltd.
Filed Dec 7, 2006 · Granted Jul 5, 2011
Base term plus 1152 days of PTA
Today
20y-from-earliest-nonprovisional
2005 2028
Clock starts
Jun 15, 2005
Term ends
Aug 10, 2028
Granted
Jul 5, 2011
base term patent term adjustment fee events Computed Sep 27, 2026 · how we know
1,152
Days of term adjustment
Read from the USPTO PTA record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Windows the record shows paid, at 4, 8 and 12 years from grant.
11
Applications in this family
Applications sharing this one's continuity chain.

This patent's term runs 1152 days past the statutory base term on prosecution delay. All three maintenance fees are paid, so nothing but the term itself will end it. 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, 20y-from-earliest-nonprovisionalClock starts Jun 15, 2005Jun 15, 2025High confidence
Continuity chainchain has unresolved parents (dated from child's own claim)dated from this application's own claimMedium confidence
Patent term adjustment+1152 days, USPTO PTA recordAug 10, 2028High 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 orderAug 10, 2028Medium confidence

This family

US 7,971,590this patentAug 2028
US 8,353,294Expired (term)Jul 2025
US 9,375,545Lapsed (fee unpaid)Jun 2024
US 10,039,893Expired (term)Jun 2025
US 10,668,241Lapsed (fee unpaid)Jun 2024
US 11,071,839Expired (term)Jun 2025
US 11,529,489Expired (term)Jun 2025

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
Mar 28, 2011
Reel 26040, frame 616
Frater, Robert Henry; Drew, Joanne Elizabeth; Kwok, Philip Rodney; Mcauliffe, Patrick John; Davidson, Aaron Samuel; Hitchcock, Robin GarthResmed LimitedAssignment of Assignor's Interest
Mar 28, 2011
Reel 26087, frame 794
Gunaratnam, Michael KassipillaiResmed LimitedConfirmation of Assignment - PCT
Mar 28, 2011
reel/frame not recorded
Mcauliffe, Patrick John; Hitchcock, Robin Garth; Davidson, Aaron Samuel; Drew, Joanne Elizabeth; Kwok, Philip Rodney; Frater, Robert HenryResmed LimitedAssignment of Assignor's Interest
Apr 30, 2019
Reel 50005, frame 461
Resmed LimitedResmed Pty Ltd.Change of Name

Sources

Google Patents · The patent document at USPTO · Assignment records at USPTO

Maintenance fee events come from USPTO's own fee records. USPTO does not publish a per-patent fee page, so there is nothing to link to.

Free plan: 3 watched companies. Pro: unlimited.
alerts on grants, lapses, transfers

What's changing

Note
The 1152 days of PTA are read from the USPTO record, not recalculated by us

Citations

134
later US patents cite this one
That is top 5% of utility patents granted in 2011 in our data, the only group it is compared against. How we rank
Every date shows its work: base rule, PTA, PTE, disclaimer caps, fee overlay, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
OverviewFamilyAssignmentsSources & methods
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