www.patentreply.ai/tools/patent-expiration/US12716613Important: 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.
Learn how PTE is calculatedHeat Exchanger Support Device
Application No. 18838473
October 24, 2042
16y 55d remainingEarliest effective filing
Apr 25, 2022
+ 20 years
Apr 25, 2042
PTA +182d
Oct 24, 2042
No TD
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Final
Oct 24, 2042
Filing Date
August 14, 2024
Earliest Effective Filing
April 25, 2022
Issue Date
August 25, 2026
PTA
+182 days
Base Expiry (before PTA)
April 25, 2042
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.