US 12,692,446 · Application 18/643,263 · Granted Jul 28, 2026
US 12,692,446
Hybrid furnace with fuel and/or electricity
Estimated expiration
November 2, 2044
18y 55d remaining
Earliest effective filing
Apr 23, 2024
+ 20 years
Apr 23, 2044
PTA +193d
Nov 2, 2044
No TD
—
Final
Nov 2, 2044
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
- April 23, 2024
- Earliest effective filing
- April 23, 2024
- Issue date
- July 28, 2026
- PTA
- +193 days
- Base expiry (before PTA)
- April 23, 2044
April 23, 2024 + 20 years = April 23, 2044 + 193 PTA days = November 2, 2044
- PRO63/497,775 — Provisional — not used for base term
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
The prosecution record for your AI
Application 18/643,263 · US 12,692,446
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www.patentreply.ai/tools/patent-expiration/US12692446Data 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.