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Apparatus and Systems for Electrically Isolating Multiple Devices

US 8,170,479 In force, term unresolved
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Nov 30, 2021 (U.S. Bank, National Association).

Term ends no later than Jun 27, 2028 · Medium confidence

In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.

Filed Nov 12, 2010 as application 12/945,162 · Granted May 1, 2012
Base term plus 182 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2007 2028
Clock starts
Dec 28, 2007
Ends no later than
Jun 27, 2028
Granted
May 1, 2012
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
182
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
3
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 182 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. All three maintenance fees are recorded paid; no more fees are due. 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 28, 2007, when application 11/966,738, the earliest non-provisional in its chain, was filed (this one was filed Nov 12, 2010)Dec 28, 2027High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+182 days, USPTO patent term adjustment recordJun 27, 2028High 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 events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderno later than Jun 27, 2028Medium confidence

This family

US 7,856,207In force
Jul 2029
Jul 2029
US 7,899,395In force
no later than Aug 2029
no later than Aug 2029
US 8,170,479this patent
no later than Jun 2028
no later than Jun 2028
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 18, 2018
Reel 47264, frame 127
EchoStar Technologies L.L.C.Dish Technologies L.L.C.Change of Name
Nov 30, 2021
Reel 58295, frame 293
Dish Broadcasting Corporation; Dish Network L.L.C.; Dish Technologies L.L.C.U.S. Bank, National Association, as Collateral AgentSecurity Interest
Nov 7, 2024
Reel 69314, frame 191
Martch, Henry Gregg; Lenzie, Kirk; Chaisitti, Sam; Langer, PaulEchoStar Technologies CorporationAssignment 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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