US 12516895 — Patent Expiration

APPARATUS AND METHODS FOR SELF-CLEANING AND MAINTAINING HVAC HEAT TRANSFER COILS

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Important: 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 calculated

US 12516895

Apparatus And Methods For Self-cleaning And Maintaining Hvac Heat Transfer Coils

High Confidence

Application No. 18109678

January 24, 2044

17y 157d remaining

Earliest effective filing

Feb 14, 2023

+ 20 years

Feb 14, 2043

PTA +344d

Jan 24, 2044

No TD

—

Final

Jan 24, 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 Calculation

Filing Date

February 14, 2023

Earliest Effective Filing

February 14, 2023

Issue Date

January 6, 2026

PTA

+344 days

Base Expiry (before PTA)

February 14, 2043

February 14, 2023 + 20 years = February 14, 2043 + 344 PTA days = January 24, 2044

PRO

63310734 — Provisional — not used for base term

Terminal Disclaimer Analysis

No TD

0 approved, 0 filed

Who owns this patent?

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.