The Patent Finder
US

Coaxial Cable Continuity Device

US 9,577,391 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Feb 21, 2021 on the fee record · Medium confidence

Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.

First maintenance fee unpaid; grace period ended.

Filed Apr 10, 2015 as application 14/684,031 · Granted Feb 21, 2017
Base term, 20 years from filing
Today
Lapsed Feb 21, 2021
2012 2032
Clock starts
Dec 6, 2012
No longer in force
Feb 21, 2021
Granted
Feb 21, 2017
Term would have run to
Dec 6, 2032
base term after the term ends 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.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
0 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.
3
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 Dec 6, 2032: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 Dec 6, 2012, when application 13/707,403, the earliest non-provisional in its chain, was filed (this one was filed Apr 10, 2015)Dec 6, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidlapsed Feb 21, 2021High confidence
Computed term endThe steps above, in orderFeb 21, 2021Medium confidence

This family

US 9,028,276In force
Jan 2033
Jan 2033
US 9,577,391this patent
Feb 2021
Feb 2021
US 9,768,566In force
no later than Dec 2032
no later than Dec 2032
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
Apr 13, 2015
Reel 35393, frame 571
Wilson, Brandon; Sterkeson, PaulPCT International, Inc.,Assignment of Assignor's Interest
Apr 13, 2015
Reel 35393, frame 607
Youtsey, Timothy L.PCT International, Inc.,Assignment of Assignor's Interest
Apr 3, 2018
Reel 45427, frame 717
PCT International, Inc.Bibby Financial Services (CA), Inc.Security Interest
Feb 16, 2022
Reel 59126, frame 491
PCT International, Inc.Sallyport Commercial Finance, LLCSecurity Interest
Oct 22, 2025
Reel 73172, frame 788
PCT International, Inc.DMZ Global LLCAssignment 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