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Central Determination Symbol Game

US 8,651,928 Term ended
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jul 3, 2025 (Deutsche Bank AG New York Branch).

Term ended Sep 21, 2024 · High confidence

USPTO later recorded it as expired for non-payment on Mar 23, 2026.

Held by IGT
Filed Feb 21, 2013 as application 13/773,003 · Granted Feb 18, 2014
Base term, 20 years from filing
Today
20 years from filing
Term ended Sep 21, 2024
2004 2026
Clock starts
Sep 21, 2004
Term ended
Sep 21, 2024
Granted
Feb 18, 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,524,243, US 8,398,472, to Sep 21, 2024. The term already ends on or before that date, so the cap shortened nothing.
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.
4
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Sep 21, 2004, when application 10/945,642, the earliest non-provisional in its chain, was filed (this one was filed Feb 21, 2013)Sep 21, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,524,243, US 8,398,472)resolves to Sep 21, 2024, no earlier than this term, so no changeHigh 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 Mar 23, 2026, after the term endedno changeHigh confidence
Computed term endThe steps above, in orderSep 21, 2024High confidence

This family

US 7,524,243In force
May 2027
May 2027
Application PCT/US2005/032295PCT application
no patent term
no patent term
US 8,398,472In force
Nov 2026
Nov 2026
US 8,651,928this patent
Sep 2024
Sep 2024
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
Feb 27, 2013
Reel 29889, frame 544
Bansemer, Mark W.; Wolf, Bryan D.; Brune, Christopher T.; Baerlocher, Anthony J.; Montross, John M.IGTAssignment of Assignor's Interest
Jul 3, 2025
Reel 71817, frame 394
IGTDeutsche Bank AG New York Branch, as Collateral AgentSecurity 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.

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