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US

Method and Apparatus For Providing Welding Type Power

US 10,112,251 In force
OverviewFamilyAssignmentsSources & methods

Term ends Oct 12, 2036 · High confidence

Filed Mar 15, 2013 as application 13/839,235 · Granted Oct 30, 2018
Base term plus 1307 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2013 2036
Clock starts
Mar 15, 2013
Term ends
Oct 12, 2036
Granted
Oct 30, 2018
base term patent term adjustment 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
1,307
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,500,669, to Oct 12, 2036. The term already ends on or before that date, so the cap shortened nothing.
2 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.
12
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 1307 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 maintenance fees are paid so far. 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 Mar 15, 2013, when this application, 13/839,235, was filedMar 15, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1307 days, USPTO patent term adjustment recordOct 12, 2036High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,500,669)resolves to Oct 12, 2036, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 12, 2036High confidence

This family

Application 61/674,780Provisional application
no patent term
no patent term
US 10,112,251this patent
Oct 2036
Oct 2036
Application PCT/US2013/050567PCT application
no patent term
no patent term
US 9,862,052In force
Jan 2034
Jan 2034
US 11,161,193In force
Jan 2036
Jan 2036
US 10,500,669In force
Dec 2036
Dec 2036
Application PCT/US2015/055182PCT application
no patent term
no patent term
Application PCT/US2015/055181PCT application
no patent term
no patent term
8 of 12 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
Mar 19, 2013
Reel 30041, frame 411
Vogel, Bernard J.Illinois 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.

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