US 12665496 — Patent Expiration

Method for Preventing Saturation of a Transformer During Fast Voltage Changes and a Control System Thereof

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Important: This calculator does not include patent term extension under 35 U.S.C. § 156, which may apply to certain drug, biologic, animal drug, and medical device patents.

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US 12665496

Method For Preventing Saturation Of A Transformer During Fast Voltage Changes And A Control System Thereof

High Confidence

Application No. 18606660

March 16, 2043

16y 253d remaining

Could not fetch continuity data for application PCTEP2022074920: Resource not found (404)

Earliest effective filing

Sep 7, 2022

+ 20 years

Sep 7, 2042

PTA +190d

Mar 16, 2043

No TD

—

Final

Mar 16, 2043

This calculation includes Patent Term Adjustment (PTA) under 35 U.S.C. §154(b). Patent Term Extension (PTE) under 35 U.S.C. §156 (for FDA-regulated products) is not included.

Calculation Details

Base Term Calculation

Filing Date

March 15, 2024

Earliest Effective Filing

September 7, 2022

Issue Date

June 23, 2026

PTA

+190 days

Base Expiry (before PTA)

September 7, 2042

September 7, 2022 + 20 years = September 7, 2042 + 190 PTA days = March 16, 2043

Continuation of application PCTEP2022074920, filed Sep 7, 2022

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

Data sourced from public USPTO records. This tool provides informational estimates and should not be relied upon as legal advice. Always verify patent expiration dates independently, especially where patent term extension, terminal disclaimers, or unusual continuity issues may apply.