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Multi-Channel Periodic Signal Enhancement System

US 8,543,390 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 4, 2028 · High confidence

Filed Aug 31, 2007 as application 11/849,009 · Granted Sep 24, 2013
Base term plus 1409 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2004 2028
Clock starts
Oct 26, 2004
Term ends
Sep 4, 2028
Granted
Sep 24, 2013
base term patent term adjustment 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
1,409
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
8
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 runs 1409 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 26, 2004, when application 10/973,575, the earliest non-provisional in its chain, was filed (this one was filed Aug 31, 2007)Oct 26, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1409 days, USPTO patent term adjustment recordSep 4, 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 orderSep 4, 2028High confidence

This family

US 7,680,652In force
Oct 2027
Oct 2027
US 8,170,879In force
Jun 2027
Jun 2027
US 7,610,196In force
no later than Oct 2027
no later than Oct 2027
US 7,949,520In force
Jun 2027
Jun 2027
US 7,716,046In force
Jan 2028
Jan 2028
US 8,306,821In force
Oct 2027
Oct 2027
US 8,543,390this patent
Sep 2028
Sep 2028
US 8,150,682Term ended
Oct 2024
Oct 2024
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
Oct 8, 2007
Reel 19929, frame 626
Nongpiur, Rajeev; Hetherington, PhillipQNX Software System (Wavemakers), Inc.Assignment of Assignor's Interest
May 8, 2009
Reel 22659, frame 743
Harman International Industries, Incorporated; Becker Service-und Verwaltung GmbH; Crown Audio, Inc.; Harman Becker Automotive Systems (Michigan), Inc.; Harman Becker Automotive Systems Holding GmbH; Harman Becker Automotive Systems, Inc.; Harman Consumer Group, Inc.; Harman Deutschland GmbH; Harman Financial Group LLC; Harman Holding GmbH & Co. KG; Harman Music Group, Incorporated; Harman Software Technology International Beteiligungs GmbH; Harman Software Technology Management GmbH; Hbas International GmbH; Hbas Manufacturing, Inc.; Innovative Systems GmbH Navigation-Multimedia; JBL Incorporated; Lexicon, Incorporated; Margi Systems, Inc.; QNX Software Systems (Wavemakers), Inc.; QNX Software Systems Canada Corporation; QNX Software Systems Co.; QNX Software Systems GmbH; QNX Software Systems GmbH & Co. KG; QNX Software Systems International Corporation; QNX Software Systems, Inc.; XS Embedded GmbH (F/K/A Harman Becker Media Drive Technology GmbH)Jpmorgan Chase Bank, N.a.Security Agreement
Jun 3, 2010
Reel 24483, frame 45
JPMorgan Chase Bank, N.A., as Administrative AgentHarman International Industries, Incorporated; QNX Software Systems (Wavemakers), Inc.; QNX Software Systems GmbH & Co. KGPartial Release of Security Interest
Jun 3, 2010
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentHarman International Industries, IncorporatedPartial Release of Security Interest
Jun 3, 2010
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentQNX Software Systems (Wavemakers), Inc.Partial Release of Security Interest
Jun 3, 2010
reel/frame not recorded
JPMorgan Chase Bank, N.A., as Administrative AgentQNX Software Systems GmbH & Co. KGPartial Release of Security Interest
Jul 9, 2010
Reel 24659, frame 370
QNX Software Systems (Wavemakers), Inc.QNX Software Systems Co.Confirmatory Assignment
Feb 27, 2012
Reel 27768, frame 863
QNX Software Systems Co.QNX Software Systems LimitedChange of Name
Apr 4, 2014
Reel 32607, frame 674
8758271 Canada Inc.2236008 Ontario Inc.Assignment of Assignor's Interest
Apr 4, 2014
Reel 32607, frame 943
QNX Software Systems Limited8758271 Canada Inc.Assignment of Assignor's Interest
May 22, 2020
Reel 53313, frame 315
2236008 Ontario Inc.BlackBerry LimitedAssignment 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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