US 12,667,184 · Application 18/581,276 · Granted Jun 30, 2026
US 12,667,184
Fastener system for slatted construction
Estimated expiration
September 1, 2041
14y 332d remaining
Earliest effective filing
Sep 1, 2021
+ 20 years
Sep 1, 2041
PTA +248d
May 7, 2042
TD cap (US 12,286,990)
Sep 1, 2041
Final
Sep 1, 2041
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. Terminal disclaimers can affect PTA (In re Cellect, LLC).
Calculation details
Base term
- Filing date
- February 19, 2024
- Earliest effective filing
- September 1, 2021
- Issue date
- June 30, 2026
- PTA
- +248 days
- Base expiry (before PTA)
- September 1, 2041
September 1, 2021 + 20 years = September 1, 2041 + 248 PTA days = May 7, 2042
- Continuation-in-part of application 18/392,721, filed Dec 21, 2023, issued as US 12,286,990
- Continuation of application 17/463,741, filed Sep 1, 2021, issued as US 11,849,837
- Continuation of application 17/463,741, filed Sep 1, 2021, issued as US 11,849,837
- PRO63/073,251 — Provisional — not used for base term
- PRO63/073,251 — Provisional — not used for base term
- PRO63/073,251 — Provisional — not used for base term
Terminal disclaimers
TD caps expiration to September 1, 2041 (earliest expiring referenced patent: US 12,286,990)
US 11,849,837· Application 17/463,741Capping patent
Fastener system for furniture
- Filing date
- Sep 1, 2021
- Earliest effective filing
- Sep 1, 2021
- Issue date
- Dec 26, 2023
- PTA
- +323 days
- Calculated expiration
- Jul 21, 2042
Sep 1, 2021 + 20y + 323d PTA = Jul 21, 2042
US 12,286,990· Application 18/392,721Capping patent
Fastener system for furniture
- Filing date
- Dec 21, 2023
- Earliest effective filing
- Sep 1, 2021
- Issue date
- Apr 29, 2025
- PTA
- 0 days
- Calculated expiration
- Sep 1, 2041
Continuation of 17/463,741, filed Sep 1, 2021, issued as US 11,849,837
Sep 1, 2021 + 20y = Sep 1, 2041
US 12,667,184· Application 18/581,276(from application 18/581,276)
Fastener system for slatted construction
- Filing date
- Feb 19, 2024
- Earliest effective filing
- Sep 1, 2021
- Issue date
- Jun 30, 2026
- PTA
- +248 days
- Calculated expiration
- May 7, 2042
Continuation-in-part of 18/392,721, filed Dec 21, 2023, issued as US 12,286,990
Continuation of 17/463,741, filed Sep 1, 2021, issued as US 11,849,837
Continuation of 17/463,741, filed Sep 1, 2021, issued as US 11,849,837
Sep 1, 2021 + 20y + 248d PTA = May 7, 2042
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
The prosecution record for your AI
Application 18/581,276 · US 12,667,184
You have the date. Your AI can have the file.
PatentReply compiles the prosecution history behind US 12,667,184: the claims as filed and as allowed, every Office Action and response, and the cited references, with each answer pointing back to the filed passage.
One new public application a month is free. The first compile takes a few minutes.
Strategy and filing changes require your approval.
Permanent link
www.patentreply.ai/tools/patent-expiration/US12667184Data 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.