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Solid State Lighting Panels with Variable Voltage Boost Current Sources

US 7,872,430 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jan 18, 2023 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Nov 17, 2006 as application 11/601,504 · Granted Jan 18, 2011
Base term, 20 years from filing, plus 1097 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 18, 2023
2006 2029
Clock starts
Nov 17, 2006
No longer in force
Jan 18, 2023
Granted
Jan 18, 2011
Term would have run to
Nov 18, 2029
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
1,097
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.
4
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 Nov 18, 2029: its 20-year base term plus 1097 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 Nov 17, 2006, when this application, 11/601,504, was filedNov 17, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1097 days, USPTO patent term adjustment recordNov 18, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Jan 18, 2023High confidence
Computed term endThe steps above, in orderJan 18, 2023High confidence

This family

US 7,872,430this patent
Jan 2023
Jan 2023
US 8,203,286Lapsed on the fee record
Jun 2024
Jun 2024
US 8,461,776Lapsed on the fee record
Jun 2025
Jun 2025
US 8,941,331In force (reinstated)
Nov 2026
Nov 2026
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
Jan 16, 2007
Reel 18763, frame 543
Roberts, John K.; Vadas, Keith J.; Murugesu, MuhinthanCree, Inc.Assignment of Assignor's Interest
Jul 30, 2019
Reel 49902, frame 679
Cree, Inc.Ideal Industries Lighting LLCAssignment of Assignor's Interest
Mar 30, 2022
Reel 59432, frame 213
Ideal Industries Lighting LLCBrightplus Ventures LLCAssignment 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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