US 12,665,496 · Application 18/606,660 · Granted Jun 23, 2026
US 12,665,496
Method for preventing saturation of a transformer during fast voltage changes and a control system thereof
Estimated expiration
March 16, 2043
16y 162d 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
- 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 disclaimers
Patent term extension under 35 U.S.C. §156, which can apply to certain drug, biologic, animal drug and medical device patents, is not included in this calculation. How PTE is calculated
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Application 18/606,660 · US 12,665,496
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www.patentreply.ai/tools/patent-expiration/US12665496Data 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.