US 12,751,524 · Application 18/253,761 · Granted Oct 6, 2026
US 12,751,524
Retaining device for protecting retaining elements
Estimated expiration
June 2, 2043
16y 225d remaining
- Could not fetch continuity data for application PCTFR2021052064: Resource not found (404)
Earliest effective filing
Nov 22, 2021
+ 20 years
Nov 22, 2041
PTA +557d
Jun 2, 2043
No TD
—
Final
Jun 2, 2043
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
- October 31, 2023
- Earliest effective filing
- November 22, 2021
- Issue date
- October 6, 2026
- PTA
- +557 days
- Base expiry (before PTA)
- November 22, 2041
November 22, 2021 + 20 years = November 22, 2041 + 557 PTA days = June 2, 2043
- National stage entry of application PCTFR2021052064, filed Nov 22, 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 18/253,761 · US 12,751,524
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www.patentreply.ai/tools/patent-expiration/US12751524Data 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.