US 12692190 — Patent Expiration

METHOD FOR PREPARING ULTRA-THIN FLEXIBLE GLASS BY USING BIOMIMETIC WEATHERING ENZYME COMPOUND GLASS THINNING AGENT

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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 12692190

Method For Preparing Ultra-thin Flexible Glass By Using Biomimetic Weathering Enzyme Compound Glass Thinning Agent

High Confidence

Application No. 18681011

February 7, 2044

17y 196d remaining

Could not fetch continuity data for application PCTCN2023076363: Resource not found (404)

Earliest effective filing

Feb 16, 2023

+ 20 years

Feb 16, 2043

PTA +356d

Feb 7, 2044

No TD

—

Final

Feb 7, 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 2, 2024

Earliest Effective Filing

February 16, 2023

Issue Date

July 28, 2026

PTA

+356 days

Base Expiry (before PTA)

February 16, 2043

February 16, 2023 + 20 years = February 16, 2043 + 356 PTA days = February 7, 2044

National Stage Entry of application PCTCN2023076363, filed Feb 16, 2023

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.