The Patent Finder
US

Toy Track Set and Relay Segments

US 8,256,721 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Sep 4, 2024 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Held by Mattel, Inc.
Filed May 2, 2011 as application 13/098,861 · Granted Sep 4, 2012
Base term, 20 years from filing
Today
Lapsed Sep 4, 2024
2008 2028
Clock starts
Apr 28, 2008
No longer in force
Sep 4, 2024
Granted
Sep 4, 2012
Term would have run to
Apr 28, 2028
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 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 Apr 28, 2028: 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 Apr 28, 2008, when application 12/111,168, the earliest non-provisional in its chain, was filed (this one was filed May 2, 2011)Apr 28, 2028High 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 3 maintenance fees paidlapsed Sep 4, 2024High confidence
Computed term endThe steps above, in orderSep 4, 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 9,504,926Lapsed on the fee record
Nov 2024
Nov 2024
US 8,256,721this patent
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
Jul 18, 2011
Reel 26603, frame 888
O'connor, Stacy Lynn; Vetuskey, BrendonMattel, 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