US 6,947,505 · Application 09/943,770 · Granted Sep 20, 2005
US 6,947,505
System for parameter estimation and tracking of interfering digitally modulated signals
Estimated expiration
November 7, 2023
Expired 1073 days ago
Earliest effective filing
Aug 31, 2001
+ 20 years
Aug 31, 2021
PTA +798d
Nov 7, 2023
No TD
—
Final
Nov 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
- August 31, 2001
- Earliest effective filing
- August 31, 2001
- Issue date
- September 20, 2005
- PTA
- +798 days
- Base expiry (before PTA)
- August 31, 2021
August 31, 2001 + 20 years = August 31, 2021 + 798 PTA days = November 7, 2023
- PRO60/233,870 — Provisional — not used for base term
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
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Application 09/943,770 · US 6,947,505
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www.patentreply.ai/tools/patent-expiration/US6947505Data 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.