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Systems for Improving Signal Quality of Command/Control Signals to Be Transmitted Over a Weld Cable

US 11,517,972 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Apr 19, 2025 · High confidence

Filed Apr 20, 2015 as application 14/691,380 · Granted Dec 6, 2022
Base term plus 368 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Apr 19, 2025
2004 2026
Clock starts
Apr 16, 2004
Term ended
Apr 19, 2025
Granted
Dec 6, 2022
base term patent term adjustment 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
368
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
8
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 368 days past its 20-year base term on 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 Apr 16, 2004, when application 10/709,148, the earliest non-provisional in its chain, was filed (this one was filed Apr 20, 2015)Apr 16, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+368 days, USPTO patent term adjustment recordApr 19, 2025High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 1 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderApr 19, 2025High confidence

This family

US 7,180,029Term ended
Feb 2025
Feb 2025
US 8,592,724In force
Jan 2030
Jan 2030
US 9,012,807In force
Jan 2030
Jan 2030
US 9,162,311Term ended
Feb 2025
Feb 2025
Application PCT/US2007/003672PCT application
no patent term
no patent term
US 10,758,994Term ended
Apr 2024
Apr 2024
US 11,517,972this patent
Apr 2025
Apr 2025
US 11,235,413Term ended
Apr 2024
Apr 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
Jun 13, 2018
Reel 46066, frame 440
Ott, Brian L.; Schartner, QuinnIllinois Tool Works Inc.Assignment 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 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited