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Magnetic Latching Mechanism for Use in Mating a Mobile Computing Device to an Accessory Device

US 8,688,037 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Apr 1, 2026 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Jun 4, 2009 as application 12/478,763 · Granted Apr 1, 2014
Base term, 20 years from filing, plus 1233 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 1, 2026
2008 2032
Clock starts
Sep 26, 2008
No longer in force
Apr 1, 2026
Granted
Apr 1, 2014
Term would have run to
Feb 11, 2032
base term patent term adjustment 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
1,233
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
15
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Feb 11, 2032: its 20-year base term plus 1233 days of term adjustment for prosecution delay. 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 Sep 26, 2008, when application 12/239,656, the earliest non-provisional in its chain, was filed (this one was filed Jun 4, 2009)Sep 26, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1233 days, USPTO patent term adjustment recordFeb 11, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Apr 1, 2026High confidence
Computed term endThe steps above, in orderApr 1, 2026High confidence

This family

US 8,385,822Lapsed on the fee record
Feb 2025
Feb 2025
US 8,401,469In force
Apr 2031
Apr 2031
US 8,712,324In force
Mar 2032
Mar 2032
US 8,688,037this patent
Apr 2026
Apr 2026
Application PCT/US2009/055928PCT application
no patent term
no patent term
US 8,527,688Lapsed on the fee record
Sep 2025
Sep 2025
US 8,234,509In force
Oct 2029
Oct 2029
Application PCT/US2009/068328PCT application
no patent term
no patent term
8 of 15 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
Aug 26, 2009
Reel 23152, frame 303
Chatterjee, Manjirnath; Liu, Eric; Corbridge, Mark; Kumar, Mukul; Crooijmans, WimPalm, Inc.Assignment of Assignor's Interest
Oct 22, 2009
Reel 23406, frame 671
Palm, Inc.Jpmorgan Chase Bank, N.a.Security Agreement
Jul 6, 2010
Reel 24630, frame 474
JPMorgan Chase Bank, N.A., as Administrative AgentPalm, Inc.Release of Security Interest
Oct 28, 2010
Reel 25204, frame 809
Palm, Inc.Hewlett-packard Development Company, L.p.Assignment of Assignor's Interest
May 3, 2013
Reel 30341, frame 459
Hewlett-packard Development Company, L.p.Palm, Inc.Assignment of Assignor's Interest
Dec 18, 2013
Reel 31837, frame 659
Palm, Inc.Hewlett-packard Development Company, L.p.Assignment of Assignor's Interest
Dec 18, 2013
Reel 31837, frame 544
Hewlett-packard Development Company, L.p.Palm, Inc.Assignment of Assignor's Interest
Jan 28, 2014
Reel 32177, frame 210
Hewlett-Packard Company; Hewlett-packard Development Company, L.p.; Palm, Inc.Qualcomm IncorporatedAssignment of Assignor's Interest
Feb 25, 2014
Reel 32294, frame 1
Hewlett-Packard Company; Hewlett-packard Development Company, L.p.; Palm, Inc.Qualcomm IncorporatedAssignment 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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