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On-Demand Uninterruptible Power Supply

US 7,518,265 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Aug 4, 2008 (Wells Fargo Bank, N.A.).

Lapsed Apr 14, 2021 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Mar 20, 2007 as application 11/688,788 · Granted Apr 14, 2009
Base term, 20 years from filing, plus 197 days of patent term adjustment (USPTO delay)
Today
Lapsed Apr 14, 2021
2007 2027
Clock starts
Mar 20, 2007
No longer in force
Apr 14, 2021
Granted
Apr 14, 2009
Term would have run to
Oct 3, 2027
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
197
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.
14
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 Oct 3, 2027: its 20-year base term plus 197 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 Mar 20, 2007, when this application, 11/688,788, was filedMar 20, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+197 days, USPTO patent term adjustment recordOct 3, 2027High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Apr 14, 2021High confidence
Computed term endThe steps above, in orderApr 14, 2021High confidence

This family

US 7,240,111Term ended
Jul 2025
Jul 2025
US 7,607,618Lapsed on the fee record
Oct 2017
Oct 2017
US 8,144,120Lapsed on the fee record
Mar 2016
Mar 2016
US 7,318,750In force
Dec 2026
Dec 2026
US 7,510,420Lapsed on the fee record
Mar 2017
Mar 2017
US 7,518,265this patent
Apr 2021
Apr 2021
US 7,909,624Lapsed on the fee record
Mar 2015
Mar 2015
US 7,568,029Lapsed on the fee record
Jul 2017
Jul 2017
8 of 14 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
May 2, 2007
Reel 19238, frame 647
Belkin International, Inc.Wells Fargo Bank, N.A., as Administrative AgentSecurity Agreement
May 4, 2007
Reel 19252, frame 212
Roepke, JonBelkin International, Inc.Assignment of Assignor's Interest
Aug 4, 2008
Reel 21336, frame 559
Belkin International, Inc.Wells Fargo Bank, N.A., as Administrative AgentSecurity Agreement
Oct 3, 2011
reel/frame not recorded
Wells Fargo Bank, National Association, as Administrative Agent, L/C Issuer and Swing Line LenderBelkin International, Inc. (Formerly Known as Belkin Corporation)Release of Security Interest
Oct 3, 2011
reel/frame not recorded
Wells Fargo Bank, National Association, as Administrative Agent, L/C Issuer and Swing Line LenderBelkin, Inc. (Formerly Known as Belkin Logistics, Inc.)Release of Security Interest
Oct 3, 2011
Reel 27008, frame 824
Wells Fargo Bank, National Association, as Administrative Agent, L/C Issuer and Swing Line LenderBelkin International, Inc. (Formerly Known as Belkin Corporation); Belkin, Inc. (Formerly Known as Belkin Logistics, Inc.)Release of Security Interest
Mar 12, 2012
Reel 27844, frame 525
Belkin International, Inc.Wells Fargo Capital Finance, LLC, as AgentPatent Security Agreement

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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