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Nanostructured Materials for Battery Applications

US 11,600,821 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Jul 26, 2024 (Volta Energy Technologies, LLC).

Term ends Apr 23, 2031 · High confidence

Filed Sep 17, 2020 as application 17/024,441 · Granted Mar 7, 2023
Base term plus 339 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2010 2031
Clock starts
May 19, 2010
Term ends
Apr 23, 2031
Granted
Mar 7, 2023
base term patent term adjustment 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
339
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 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.
6
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 339 days past its 20-year base term on 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 May 19, 2010, when application 12/783,243, the earliest non-provisional in its chain, was filed (this one was filed Sep 17, 2020)May 19, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+339 days, USPTO patent term adjustment recordApr 23, 2031High 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 orderApr 23, 2031High confidence

This family

US 10,490,817In force
May 2032
May 2032
US 11,233,240In force
Jan 2031
Jan 2031
US 11,600,821this patent
Apr 2031
Apr 2031
US 12,224,441In force
Dec 2030
Dec 2030
US 12,469,849In force
May 2030
May 2030
Application 19/354,633Pending
not computed
not computed
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 8, 2021
Reel 55524, frame 474
Zhu, Yimin; Goldman, Jay L.; Hartlove, Jason; Hofler, Hans JurgenOneD Material LLCAssignment of Assignor's Interest
Mar 8, 2021
Reel 56599, frame 252
OneD Material LLCOneD Material, Inc.Entity Conversion
Jul 26, 2024
Reel 68174, frame 120
OneD Material, Inc.Volta Energy Technologies, LLC, as Collateral AgentPatent Security Agreement

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 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited