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Constant Current Class 3 Lighting System

US 7,038,400 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Apr 25, 2024 · High confidence

Filed Mar 12, 2004 as application 10/799,741 · Granted May 2, 2006
Base term plus 44 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Apr 25, 2024
2004 2026
Clock starts
Mar 12, 2004
Term ended
Apr 25, 2024
Granted
May 2, 2006
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
44
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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 runs 44 days past its 20-year base term on 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 12, 2004, when this application, 10/799,741, was filedMar 12, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+44 days, USPTO patent term adjustment recordApr 25, 2024High 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 orderApr 25, 2024High confidence

This family

US 7,038,400this patent
Apr 2024
Apr 2024
US 7,410,276Term ended
May 2026
May 2026
US 7,436,675Term ended
May 2024
May 2024
US 8,079,556In force
Aug 2027
Aug 2027
US 7,798,824In force
Apr 2029
Apr 2029
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
May 2, 2005
Reel 16512, frame 389
Rimmer, Philip John; Sherrington, Carole FrancesJuno Manufacturing, Inc.; Juice TechnologyAssignment of Assignor's Interest
May 2, 2005
reel/frame not recorded
Rimmer, Philip John; Sherrington, Carole FrancesJuno Manufacturing, Inc.Assignment of Assignor's Interest
May 2, 2005
reel/frame not recorded
Rimmer, Philip John; Sherrington, Carole FrancesJuice TechnologyAssignment of Assignor's Interest
Sep 6, 2013
Reel 31148, frame 301
Juice Technology LimitedIsotera LimitedAssignment of Assignor's Interest
Nov 23, 2015
Reel 37154, frame 961
Juno Manufacturing, Inc.; Juno Manufacturing II, LLC; Juno Manufacturing II, LLCJuno Manufacturing, LLCMerger and Change of Name
Mar 28, 2016
Reel 38274, frame 622
Juno Manufacturing, LLCJuno Lighting, LLCMerger
Mar 28, 2016
Reel 38274, frame 804
Juno Lighting, LLCAcuity Brands Lighting, Inc.Merger
Jun 16, 2016
Reel 39050, frame 936
Acuity Brands Lighting, Inc.ABL IP Holding 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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