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Visual Display Unit Illumination

US 8,687,149 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Oct 11, 2022 · High confidence

USPTO later recorded it as expired for non-payment on May 4, 2026.

Filed Apr 3, 2012 as application 13/438,833 · Granted Apr 1, 2014
Base term, 20 years from filing
Today
20 years from filing
Term ended Oct 11, 2022
2002 2026
Clock starts
Oct 11, 2002
Term ended
Oct 11, 2022
Granted
Apr 1, 2014
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
51
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. 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 Oct 11, 2002, when application PCT/NZ2002/000213, the earliest non-provisional in its chain, was filed (this one was filed Apr 3, 2012)Oct 11, 2022High 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 events2 of 2 maintenance fees paidterm endedHigh confidence
USPTO status recordRecorded as expired for non-payment on May 4, 2026, after the term endedno changeHigh confidence
Computed term endThe steps above, in orderOct 11, 2022High confidence

This family

US 8,149,353Term ended
Aug 2025
Aug 2025
US 8,154,473Term ended
Mar 2026
Mar 2026
US 8,687,149this patent
Oct 2022
Oct 2022
US 9,292,150Term ended
Aug 2025
Aug 2025
US 9,721,378Term ended
Oct 2022
Oct 2022
US 9,519,154In force
Aug 2034
Aug 2034
Application PCT/US2015/017859PCT application
no patent term
no patent term
US 9,922,445Term ended
Oct 2022
Oct 2022
8 of 51 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 30, 2015
Reel 35997, frame 146
Puredepth LimitedK One W One LimitedSecurity Interest
Apr 5, 2022
Reel 59596, frame 413
Puredepth Limited (Also Referred to as Pure Depth Limited); Puredepth Inc. (Also Referred to as Pure Depth)Aptiv Technologies LimitedAssignment of Assignor's Interest
Feb 11, 2024
Reel 66551, frame 219
Aptiv Manufacturing Management Services S.À R.L.Aptiv Technologies AGAssignment of Assignor's Interest
Feb 11, 2024
Reel 66566, frame 173
Aptiv Technologies (2) S.À R.L.Aptiv Manufacturing Management Services S.À R.L.Merger
Feb 11, 2024
Reel 66746, frame 1
Aptiv Technologies LimitedAptiv Technologies (2) S.À R.L.Entity Conversion

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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited