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Ballast Having a Dimming Device

US 7,327,099 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Mar 16, 2026 · High confidence

Filed Mar 16, 2006 as application 11/377,113 · Granted Feb 5, 2008
Base term, 20 years from filing
Today
20 years from filing
Term ended Mar 16, 2026
2006 2026
Clock starts
Mar 16, 2006
Term ended
Mar 16, 2026
Granted
Feb 5, 2008
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.
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 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 Mar 16, 2006, when this application, 11/377,113, was filedMar 16, 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 orderMar 16, 2026High confidence

This family

Application 10/772,563Abandoned
not computed
not computed
US 7,345,413Lapsed on the fee record
Mar 2020
Mar 2020
US 7,649,309In force
Sep 2027
Sep 2027
US 7,327,099this patent
Mar 2026
Mar 2026
US 7,489,073In force
Apr 2027
Apr 2027
US 7,695,164In force
Nov 2027
Nov 2027
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
Mar 16, 2006
Reel 17700, frame 633
Fischer, Klaus; Kreittmayr, JosefPatent-Treuhand-Gesellschaft Fur Elektrische Gluhlamplen MBHAssignment of Assignor's Interest
Feb 2, 2010
Reel 23882, frame 382
Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen MBHOSRAM Gesellschaft Mit Beschrankter HaftungMerger
Jul 7, 2020
Reel 53144, frame 128
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen MBHOSRAM Gesellschaft Mit Beschraenkter HaftungMerger
Jul 7, 2020
Reel 53144, frame 163
OSRAM Gesellschaft Mit Beschraenkter HaftungOSRAM AGChange of Name
Jul 7, 2020
Reel 53259, frame 743
OSRAM AGOSRAM GmbHChange of Name
Jul 7, 2020
Reel 53144, frame 291
OSRAM GmbHLedvance GmbHAssignment 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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