The Patent Finder
US

System and Method for Constraining Bingo Card Faces to Limit Liability of Number of Random Drawn Winners

US 8,591,309 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Jul 6, 2021 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

USPTO later recorded it as expired for non-payment on Dec 29, 2025.

Filed Jul 10, 2012 as application 13/545,396 · Granted Nov 26, 2013
Base term, 20 years from filing
Today
20 years from filing
Term ended Jul 6, 2021
2001 2026
Clock starts
Jul 6, 2001
Term ended
Jul 6, 2021
Granted
Nov 26, 2013
base term after the term ends fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
6
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: Medium. 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 Jul 6, 2001, when application 09/900,235, the earliest non-provisional in its chain, was filed (this one was filed Jul 10, 2012); a parent in its chain could not be resolved (the next row)Jul 6, 2021High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium 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 Dec 29, 2025, after the term endedno changeHigh confidence
Computed term endThe steps above, in orderJul 6, 2021Medium confidence

This family

US 6,592,454Term ended
Jul 2021
Jul 2021
US 7,674,169Term ended
no later than Nov 2025
no later than Nov 2025
Application 10/612,782Abandoned
not computed
not computed
US 8,216,049Lapsed on the fee record
Jul 2024
Jul 2024
US 8,747,208In force
Dec 2029
Dec 2029
US 8,591,309this patent
Jul 2021
Jul 2021
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
Dec 18, 2013
Reel 31847, frame 110
Scientific Games International, Inc.; WMS Gaming Inc.Bank of America, N.A., as Collateral AgentSecurity Agreement
Dec 4, 2014
Reel 34530, frame 318
Bally Gaming, Inc.; Scientific Games International, Inc.; WMS Gaming Inc.Deutsche Bank Trust Company Americas, as Collateral AgentSecurity Agreement
Dec 15, 2017
Reel 44889, frame 662
Scientific Games International, Inc.; Bally Gaming, Inc.Deutsche Bank Trust Company Americas, as Collateral AgentSecurity Agreement
Apr 11, 2018
Reel 45909, frame 513
Scientific Games International, Inc.; Bally Gaming, Inc.Deutsche Bank Trust Company Americas, as Collateral AgentSecurity Agreement
Nov 5, 2018
Reel 47924, frame 701
Deutsche Bank Trust Company AmericasScientific Games International, Inc.; Bally Gaming, Inc.; WMS Gaming Inc.Release of Security Interest in Patents (Releases Reel/Frame 034530/0318)
Nov 5, 2018
reel/frame not recorded
Deutsche Bank Trust Company AmericasScientific Games International, Inc.Release of Security Interest in Patents (Releases Reel/Frame 034530/0318)
Nov 5, 2018
reel/frame not recorded
Deutsche Bank Trust Company AmericasBally Gaming, Inc.Release of Security Interest in Patents (Releases Reel/Frame 034530/0318)
Nov 5, 2018
reel/frame not recorded
Deutsche Bank Trust Company AmericasWMS Gaming Inc.Release of Security Interest in Patents (Releases Reel/Frame 034530/0318)
Oct 30, 2021
Reel 57970, frame 976
Scientific Games International, Inc.Scientific Games, Inc.Assignment of Assignor's Interest
Apr 5, 2022
Reel 59595, frame 537
Deutsche Bank Trust Company AmericasScientific Games, LLCPartial Release of Patent Security Agreement Recorded at R/F 045909/0513
Apr 5, 2022
Reel 59596, frame 991
Scientific Games, Inc.Scientific Games, LLCChange of Name
Apr 5, 2022
Reel 59597, frame 66
Scientific Games International, Inc.Scientific Games, LLCAmended and Restated Assignment
Apr 5, 2022
Reel 59614, frame 598
Bank Of America, N.a.Scientific Games, LLC (F/K/A Scientific Games, Inc.) (as Successor in Interest to Scientific Games International, Inc. and SG Gaming, Inc. (F/K/A/ Bally Gaming, Inc.) (as Successor in Interest to WMS Gaming Inc.))Partial Release of Security Interest
Apr 5, 2022
Reel 59616, frame 483
Deutsche Bank Trust Company AmericasScientific Games, LLCPartial Release of Patent Security Agreement Recorded at R/F 044889/0662
Apr 5, 2022
Reel 59852, frame 1
Scientific Games, LLCDeutsche Bank AG New York BranchSecurity Interest
Apr 21, 2022
Reel 59756, frame 397
Bank Of America, N.a.Scientific Games International, Inc.; WMS Gaming Inc.; Bally Gaming, Inc.; Don Best Sports CorporationRelease of Security Interest
Apr 21, 2022
reel/frame not recorded
Bank Of America, N.a.Scientific Games International, Inc.Release of Security Interest
Apr 21, 2022
reel/frame not recorded
Bank Of America, N.a.WMS Gaming Inc.Release of Security Interest
Apr 21, 2022
reel/frame not recorded
Bank Of America, N.a.Bally Gaming, Inc.Release of Security Interest
Apr 21, 2022
reel/frame not recorded
Bank Of America, N.a.Don Best Sports CorporationRelease of Security 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.

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