US 6,899,261 · Application 10/144,796 · Granted May 31, 2005
US 6,899,261
Method and arrangement for a martensite-free brazing process
Estimated expiration
February 7, 2023
Expired 1328 days ago
Earliest effective filing
May 15, 2002
+ 20 years
May 15, 2022
PTA +268d
Feb 7, 2023
No TD
—
Final
Feb 7, 2023
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
- May 15, 2002
- Earliest effective filing
- May 15, 2002
- Issue date
- May 31, 2005
- PTA
- +268 days
- Base expiry (before PTA)
- May 15, 2022
May 15, 2002 + 20 years = May 15, 2022 + 268 PTA days = February 7, 2023
Continuity chain
No continuity chain; the patent’s own filing date was used.
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
The prosecution record for your AI
Application 10/144,796 · US 6,899,261
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www.patentreply.ai/tools/patent-expiration/US6899261Data 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.