US 12,729,876 · Application 18/567,080 · Granted Sep 8, 2026
US 12,729,876
Relay unit and air-conditioning apparatus including relay unit
Estimated expiration
May 6, 2042
15y 237d remaining
- Could not fetch continuity data for application PCTJP2021029046: Resource not found (404)
Earliest effective filing
Aug 5, 2021
+ 20 years
Aug 5, 2041
PTA +274d
May 6, 2042
No TD
—
Final
May 6, 2042
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
- December 5, 2023
- Earliest effective filing
- August 5, 2021
- Issue date
- September 8, 2026
- PTA
- +274 days
- Base expiry (before PTA)
- August 5, 2041
August 5, 2021 + 20 years = August 5, 2041 + 274 PTA days = May 6, 2042
- National stage entry of application PCTJP2021029046, filed Aug 5, 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 18/567,080 · US 12,729,876
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www.patentreply.ai/tools/patent-expiration/US12729876Data 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.