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Integrated Permanent Magnet Motor and Blower

US 7,615,896 Term ended
OverviewAssignmentsSources & methods

Also listed on Impco Technologies (Canada) LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ended Oct 27, 2026 · High confidence

Filed Oct 27, 2006 as application 11/588,243 · Granted Nov 10, 2009
Base term, 20 years from filing
Today
20 years from filing
Term ended Oct 27, 2026
2006 2026
Clock starts
Oct 27, 2006
Term ended
Oct 27, 2026
Granted
Nov 10, 2009
base term after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.

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: 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 Oct 27, 2006, when this application, 11/588,243, was filedOct 27, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh 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 orderOct 27, 2026High confidence

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
Oct 27, 2006
Reel 18473, frame 75
Alston, G. Kevin; Taylor, MachikoGlacier Bay, Inc.Assignment of Assignor's Interest
May 24, 2010
Reel 24424, frame 800
Glacier Bay, Inc.Triplepoint Capital LLCSecurity Agreement
May 3, 2012
Reel 28160, frame 776
Triple Point Capital LLC, a Delaware Limited Liability Company; Silicon Valley Bank, a California Chartered BankCrosspoint Solutions, LLCTransfer Statement
May 9, 2013
Reel 30384, frame 408
Crosspoint Solutions, LLCWells Fargo Bank, National AssociationSecurity Agreement
Apr 18, 2016
Reel 38309, frame 804
Crosspoint Solutions, LLCImpco Technologies (Canada) LLCAssignment of Assignor's Interest
Dec 22, 2016
Reel 40756, frame 491
Wells Fargo Bank, National AssociationImpco Technologies (Canada) LLCRelease of Security Interest
Feb 17, 2017
Reel 41290, frame 795
Impco Technologies (Canada) LLCWestport Power Inc.Nunc Pro Tunc Assignment
May 18, 2017
Reel 42428, frame 443
Westport Power Inc.Carrier CorporationAssignment 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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