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Apparatus and Method for Controlling LED Light Strings

US 8,450,950 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Nov 18, 2019 (PNC Bank, National Association).

Lapsed May 28, 2021 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Jan 19, 2011 as application 12/930,892 · Granted May 28, 2013
Base term, 20 years from filing, plus 241 days of patent term adjustment (USPTO delay)
Today
Lapsed May 28, 2021
2011 2031
Clock starts
Jan 19, 2011
No longer in force
May 28, 2021
Granted
May 28, 2013
Term would have run to
Sep 17, 2031
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
241
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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 Sep 17, 2031: its 20-year base term plus 241 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 Jan 19, 2011, when this application, 12/930,892, was filedJan 19, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+241 days, USPTO patent term adjustment recordSep 17, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed May 28, 2021High confidence
Computed term endThe steps above, in orderMay 28, 2021High confidence

This family

US 8,450,950this patent
May 2021
May 2021
US 8,941,312In force
Jan 2031
Jan 2031
US 9,374,857In force
Jan 2031
Jan 2031
US 9,510,406In force
Jan 2031
Jan 2031
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
Apr 24, 2013
Reel 30440, frame 196
McRae, Michael M.National Christmas Products, Inc.Assignment of Assignor's Interest
Nov 18, 2019
Reel 51036, frame 403
National Christmas Products, LLCPnc Bank, National AssociationSecurity Interest
Mar 6, 2026
Reel 75021, frame 242
Pnc Bank, National AssociationLoan Admin Co. LLCAssignment of Security Agreement

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