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US

Line Drop Compensation Methods and Systems

US 8,847,570 In force
OverviewFamilyAssignmentsSources & methods

Term ends Apr 29, 2034 · High confidence

Filed Apr 29, 2014 as application 14/264,973 · Granted Sep 30, 2014
Base term, 20 years from filing
Today
20 years from filing
2014 2034
Clock starts
Apr 29, 2014
Term ends
Apr 29, 2034
Granted
Sep 30, 2014
base term 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
None
Term adjustment
No prosecution delay on this record.
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.
2
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 is its 20-year base term, with no adjustment for 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 Apr 29, 2014, when this application, 14/264,973, was filedApr 29, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh 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 orderApr 29, 2034High confidence

This family

US 8,847,570this patent
Apr 2034
Apr 2034
US 9,389,618Lapsed on the fee record
Jul 2020
Jul 2020
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
May 8, 2014
Reel 32852, frame 63
Bell, DavidUtilidata, Inc.Assignment of Assignor's Interest
May 19, 2020
Reel 52701, frame 749
Utilidata, Inc.Obsidian Agency Services, Inc.Security Interest
Oct 7, 2021
Reel 57734, frame 433
Obsidian Agency Services, Inc.Utilidata, Inc.Release of Security 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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