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Buck Dc-To-Dc Converter and Method

US 8,384,363 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 12, 2027 · Medium confidence

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

Filed Apr 16, 2010 as application 12/761,718 · Granted Feb 26, 2013
Base term plus 392 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2006 2027
Clock starts
Nov 10, 2006
Term ends
Oct 12, 2027
Granted
Feb 26, 2013
base term patent term adjustment 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
392
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,696,736.
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.
6
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 392 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. All three maintenance fees are recorded paid; no more fees are due. 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 Nov 10, 2006, when application 11/558,797, the earliest non-provisional in its chain, was filed (this one was filed Apr 16, 2010); a parent in its chain could not be resolved (the next row)Nov 10, 2026High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+392 days, USPTO patent term adjustment recordDec 7, 2027High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,696,736)capped to Oct 12, 2027High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 12, 2027Medium confidence

This family

US 7,466,254In force
Jan 2027
Jan 2027
US 7,696,736In force
Oct 2027
Oct 2027
US 7,545,130In force
Oct 2027
Oct 2027
US 8,508,205In force
Oct 2027
Oct 2027
US 8,384,363this patent
Oct 2027
Oct 2027
5 of 6 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
Jun 4, 2010
Reel 24485, frame 360
Latham, Paul W., II; Kenly, StewartL&L Engineering, LLCAssignment of Assignor's Interest
Apr 21, 2011
Reel 26165, frame 364
L&L Engineering, LLCMaxim Integrated Products, 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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