US 7,921,473 · Application 12/204,606 · Granted Apr 12, 2011
US 7,921,473
Head cooling apparatus
Estimated expiration
—
- Maintenance fee lapse detected.
- Patent may have expired due to maintenance fees: Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Earliest effective filing
Sep 4, 2008
+ 20 years
—
PTA +0d
—
No TD
—
Final
—
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
- September 4, 2008
- Earliest effective filing
- September 4, 2008
- Issue date
- April 12, 2011
- PTA
- 0 days
- Base expiry (before PTA)
- —
September 4, 2008 + 20 years = —
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 12/204,606 · US 7,921,473
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www.patentreply.ai/tools/patent-expiration/US7921473Data 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.