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Concentrated Solar Power Generation Using Solar Receivers

US 11,242,843 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 16, 2031 · High confidence

Filed Mar 21, 2019 as application 16/361,074 · Granted Feb 8, 2022
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Sep 16, 2011
Term ends
Sep 16, 2031
Granted
Feb 8, 2022
base term 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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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. 1 of 2 maintenance fees is 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 Sep 16, 2011, when application PCT/US2011/052051, the earliest non-provisional in its chain, was filed (this one was filed Mar 21, 2019)Sep 16, 2031High 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 events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 16, 2031High confidence

This family

US 9,726,155In force
Sep 2031
Sep 2031
US 10,280,903In force
Sep 2031
Sep 2031
US 11,242,843this patent
Sep 2031
Sep 2031
Application 17/666,426Pending
not computed
not computed
4 of 5 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
Jun 25, 2019
Reel 49575, frame 779
Treece, William Dean; Anderson, Bruce; Brown, Dan; Bennhold, Florian; Hilgert, ChristophWilson Solarpower CorporationAssignment of Assignor's Interest
Jun 25, 2019
Reel 49575, frame 822
Wilson Solarpower CorporationWilson 247SOLAR, Inc.Assignment of Assignor's Interest
Dec 11, 2020
Reel 54701, frame 824
Wilson 247SOLAR, Inc.247SOLAR Inc.Change of Name
Jul 22, 2024
Reel 68466, frame 49
Wilson Solarpower CorporationUnited States Department OfenergyConfirmatory License

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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