The Patent Finder
US

Theft Deterrent Device

US 8,373,564 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 12, 2013 (Bank of America, N.A.).

Lapsed Feb 12, 2021 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Filed Nov 21, 2011 as application 13/300,757 · Granted Feb 12, 2013
Base term, 20 years from filing
Today
Lapsed Feb 12, 2021
2008 2028
Clock starts
Jul 31, 2008
No longer in force
Feb 12, 2021
Granted
Feb 12, 2013
Term would have run to
Jul 31, 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.
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 Jul 31, 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 Jul 31, 2008, when application 12/183,631, the earliest non-provisional in its chain, was filed (this one was filed Nov 21, 2011)Jul 31, 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 events1 of 3 maintenance fees paidlapsed Feb 12, 2021High confidence
Computed term endThe steps above, in orderFeb 12, 2021High confidence

This family

US 7,961,100In force
Jul 2029
Jul 2029
Application PCT/US2008/009322PCT application
no patent term
no patent term
US 8,284,062In force
Jul 2028
Jul 2028
US 8,373,564this patent
Feb 2021
Feb 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
Nov 21, 2011
Reel 27262, frame 411
Wyatt, James G., JR.; Conti, Brian V.; Eckert, Lee H.; Moock, Andrew W.; Weeden, Lance F.Checkpoint Systems, Inc.Assignment of Assignor's Interest
Aug 2, 2012
Reel 28714, frame 552
Checkpoint Systems, Inc.Wells Fargo BankSecurity Agreement
Dec 12, 2013
Reel 31805, frame 1
Checkpoint Systems, Inc.Bank Of America, N.a.Security Agreement
Dec 16, 2013
Reel 31825, frame 545
Wells Fargo Bank, National AssociationCheckpoint Systems, Inc.Release 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.

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