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Electrical Generator with Rotational Gaussian Surface Magnet and Stationary Coil

US 10,270,301 Surrendered on reissue
OverviewSources & methods

Surrendered on reissue Feb 13, 2024 · High confidence

Surrendered on reissue Feb 13, 2024 · its term and maintenance fees continue in US RE49,840.

Held by Robert L. Pryor, Esq., as the Chapter 7 Trustee of the Bankruptcy Estate of David Deak, SR.
Filed Mar 18, 2016 as application 15/074,551 · Granted Apr 23, 2019
Base term, 20 years from filing, plus 65 days of patent term adjustment (USPTO delay)
Today
Surrendered Feb 13, 2024
2013 2033
Clock starts
Feb 25, 2013
No longer in force
Feb 13, 2024
Granted
Apr 23, 2019
Term would have run to
May 1, 2033
base term patent term adjustment after the term ends 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
65
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 3
Maintenance fees paid
Fees paid on this patent before its reissue. Those after fall due on the reissue, which carries the term on.

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.
Step Input Date after this step Confidence
Base term, 20 years from filingClock starts Feb 25, 2013, when the earliest non-provisional application in its chain was filed (this one was filed Mar 18, 2016)Feb 25, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+65 days, USPTO patent term adjustment recordMay 1, 2033High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidno changeHigh confidence
ReissueUS RE49,840 issued Feb 13, 2024, and this patent's term continues in it (35 U.S.C. 251, 252)surrendered Feb 13, 2024High confidence
Surrendered on reissueThe steps above, in orderFeb 13, 2024High confidence

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.

Not on this page: the patent's family, its recorded assignments and its citation count. USPTO's assignment records, linked above, list every recorded assignment.

Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

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