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Gas Delivery Connection Assembly

US 7,185,652 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Feb 7, 2020 · Medium confidence

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

Filed Nov 2, 2001 as application 09/985,457 · Granted Mar 6, 2007
Base term, 20 years from filing
Today
20 years from filing
Term ended Feb 7, 2020
2000 2026
Clock starts
Feb 7, 2000
Term ended
Feb 7, 2020
Granted
Mar 6, 2007
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
323
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended 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, 20 years from filingClock starts Feb 7, 2000, when application 09/498,705, the earliest non-provisional in its chain, was filed (this one was filed Nov 2, 2001); a parent in its chain could not be resolved (the next row)Feb 7, 2020High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderFeb 7, 2020Medium confidence

This family

US 7,185,652this patent
Feb 2020
Feb 2020
US 7,089,939Term ended
May 2020
May 2020
US 6,871,649Term ended
no later than May 2020
no later than May 2020
US 6,910,483Term ended
Dec 2022
Dec 2022
US 7,600,513Lapsed on the fee record
Oct 2021
Oct 2021
US 6,796,308Term ended
no later than Mar 2019
no later than Mar 2019
US 6,557,556Term ended
no later than Jan 2018
no later than Jan 2018
US 7,669,599Term ended
no later than Apr 2020
no later than Apr 2020
8 of 323 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
Nov 2, 2001
Reel 12299, frame 158
Gunaratnam, Michael K.; Kwok, Philip R.; Lithgow, Perry D.ResMed LimitedAssignment of Assignor's Interest
Jan 3, 2007
Reel 18750, frame 822
ResMed LimitedResMed LimitedChange of Assignee's Address
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

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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