US 12,742,603 · Application 18/553,244 · Granted Sep 22, 2026
US 12,742,603
Heat exchanger and air-conditioning apparatus
Estimated expiration
July 28, 2041
14y 308d remaining
- Could not fetch continuity data for application PCTJP2021019807: Resource not found (404)
Earliest effective filing
May 25, 2021
+ 20 years
May 25, 2041
PTA +64d
Jul 28, 2041
No TD
—
Final
Jul 28, 2041
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
- September 29, 2023
- Earliest effective filing
- May 25, 2021
- Issue date
- September 22, 2026
- PTA
- +64 days
- Base expiry (before PTA)
- May 25, 2041
May 25, 2021 + 20 years = May 25, 2041 + 64 PTA days = July 28, 2041
- National stage entry of application PCTJP2021019807, filed May 25, 2021
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 18/553,244 · US 12,742,603
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www.patentreply.ai/tools/patent-expiration/US12742603Data 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.