US 12,692,190 · Application 18/681,011 · Granted Jul 28, 2026
US 12,692,190
Method for preparing ultra-thin flexible glass by using biomimetic weathering enzyme compound glass thinning agent
Estimated expiration
February 7, 2044
17y 151d 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
- 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 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 18/681,011 · US 12,692,190
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www.patentreply.ai/tools/patent-expiration/US12692190Data 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.