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US 8,540,033 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jan 6, 2022 (Antares Capital LP).

Term ends Mar 28, 2029 · High confidence

Held by Fecon, LLC
Filed Nov 30, 2010 as application 12/918,677 · Granted Sep 24, 2013
Base term plus 33 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2029
Clock starts
Feb 23, 2009
Term ends
Mar 28, 2029
Granted
Sep 24, 2013
base term patent term adjustment 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
33
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
20
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 runs 33 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Feb 23, 2009, when application PCT/US2009/034872, the earliest non-provisional in its chain, was filed (this one was filed Nov 30, 2010)Feb 23, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+33 days, USPTO patent term adjustment recordMar 28, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 28, 2029High confidence

This family

US 8,540,033this patent
Mar 2029
Mar 2029
US D757,124In force
May 2030
May 2030
US D791,195In force
Jul 2032
Jul 2032
US 9,943,037In force
Feb 2029
Feb 2029
US D795,931In force
Aug 2032
Aug 2032
US D821,455In force
Jun 2033
Jun 2033
US 10,201,130In force
Feb 2029
Feb 2029
US D914,064In force
Mar 2036
Mar 2036
8 of 20 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
Nov 30, 2010
Reel 25433, frame 323
Stanley, Jeffrey; Hentz, RobertFecon, Inc.Assignment of Assignor's Interest
Oct 11, 2018
Reel 47136, frame 635
Fecon, LLCAbacus Finance Group, LLC, as Administrative AgentSecurity Interest
Nov 24, 2021
Reel 58957, frame 278
Fecon, Inc.Fecon, LLCConversion
Jan 5, 2022
Reel 58644, frame 120
Abacus Finance Group, LLC, as Administrative AgentFecon, LLCRelease of Security Interest in Patents Recorded at Reel/Frame No.: 047136/0635
Jan 6, 2022
Reel 58578, frame 135
Fecon, LLCAntares Capital LP, as Administrative AgentSecurity 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