The Patent Finder
US

Toy Track Set and Relay Segments

US 9,504,926 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Nov 29, 2024 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by Mattel, Inc.
Filed Dec 27, 2010 as application 12/979,247 · Granted Nov 29, 2016
Base term, 20 years from filing, plus 1197 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 29, 2024
2008 2031
Clock starts
Apr 28, 2008
No longer in force
Nov 29, 2024
Granted
Nov 29, 2016
Term would have run to
Aug 8, 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
1,197
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.
11
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 Aug 8, 2031: its 20-year base term plus 1197 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 Apr 28, 2008, when application 12/111,168, the earliest non-provisional in its chain, was filed (this one was filed Dec 27, 2010)Apr 28, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1197 days, USPTO patent term adjustment recordAug 8, 2031High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidlapsed Nov 29, 2024High confidence
Computed term endThe steps above, in orderNov 29, 2024High confidence

This family

US 7,857,679In force
Jan 2029
Jan 2029
US 8,006,943Lapsed on the fee record
Aug 2023
Aug 2023
US 8,747,180Lapsed on the fee record
Jun 2018
Jun 2018
US 8,690,632In force
May 2030
May 2030
Application 61/329,921Provisional application
no patent term
no patent term
US 8,801,492In force
Aug 2030
Aug 2030
US 9,504,926this patent
Nov 2024
Nov 2024
US 8,256,721Lapsed on the fee record
Sep 2024
Sep 2024
8 of 11 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
Sep 3, 2013
Reel 31123, frame 309
O'connor, Stacy Lynn; Nuttall, Michael W.Mattel, Inc.Assignment 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.

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