US 7,520,288 · Application 10/920,967 · Granted Apr 21, 2009
US 7,520,288
Cleaning machine
Estimated expiration
January 10, 2026
Expired 246 days ago
Earliest effective filing
Aug 18, 2004
+ 20 years
Aug 18, 2024
PTA +510d
Jan 10, 2026
No TD
—
Final
Jan 10, 2026
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
- August 18, 2004
- Earliest effective filing
- August 18, 2004
- Issue date
- April 21, 2009
- PTA
- +510 days
- Base expiry (before PTA)
- August 18, 2024
August 18, 2004 + 20 years = August 18, 2024 + 510 PTA days = January 10, 2026
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 10/920,967 · US 7,520,288
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www.patentreply.ai/tools/patent-expiration/US7520288Data 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.