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Robotic Platform

US 6,431,296 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Jan 26, 2019 · Medium confidence

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

Filed Jun 25, 2001 as application 09/888,760 · Granted Aug 13, 2002
Base term, 20 years from filing
Today
20 years from filing
Term ended Jan 26, 2019
1999 2026
Clock starts
Jan 26, 1999
Term ended
Jan 26, 2019
Granted
Aug 13, 2002
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.
105
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 Jan 26, 1999, when application 09/237,570, the earliest non-provisional in its chain, was filed (this one was filed Jun 25, 2001); a parent in its chain could not be resolved (the next row)Jan 26, 2019High 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 orderJan 26, 2019Medium confidence

This family

US 6,662,889Term ended
Apr 2021
Apr 2021
US 6,769,004Term ended
Nov 2022
Nov 2022
US 6,431,296this patent
Jan 2019
Jan 2019
US 6,615,885Term ended
Oct 2021
Oct 2021
US 6,668,951Term ended
Jan 2019
Jan 2019
US 6,860,206Lapsed on the fee record
Mar 2017
Mar 2017
US 7,117,067Term ended
Dec 2023
Dec 2023
US 7,363,994Lapsed on the fee record
Apr 2020
Apr 2020
8 of 105 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
Jul 1, 2008
Reel 21176, frame 924
Won, ChikyungiRobot CorporationAssignment of Assignor's Interest
Oct 3, 2016
Reel 40205, frame 1
iRobot CorporationiRobot Defense Holdings, Inc.Assignment of Assignor's Interest
Apr 7, 2019
Reel 49837, frame 810
iRobot Defense Holdings, Inc.Endeavor Robotics, Inc.Change of Name
May 21, 2019
Reel 49244, frame 515
Endeavor Robotics, Inc.Flir Detection, Inc.Assignment 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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