US 8,217,605 · Application 12/673,173 · Granted Jul 10, 2012
US 8,217,605
Motor controller for determining a position of a rotor of an ac motor, ac motor system, and method of determining a position of a rotor of an ac motor
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
Feb 12, 2010
+ 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
- February 12, 2010
- Earliest effective filing
- February 12, 2010
- Issue date
- July 10, 2012
- PTA
- 0 days
- Base expiry (before PTA)
- —
February 12, 2010 + 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 12/673,173 · US 8,217,605
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www.patentreply.ai/tools/patent-expiration/US8217605Data 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.