US 7390308 — Patent Expiration

APPARATUS AND PROCESS FOR OPTIMIZED ELECTRO-HYDRAULIC PRESSURE PULSE GENERATION

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Important: This calculator does not include patent term extension under 35 U.S.C. § 156, which may apply to certain drug, biologic, animal drug, and medical device patents.

Learn more about PTE and patent expiration

US 7390308

Apparatus And Process For Optimized Electro-hydraulic Pressure Pulse Generation

High Confidence

Application No. 10798506

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Patent may have expired due to maintenance fees: Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362

Maintenance fee lapse detected

Earliest effective filing

Mar 12, 2004

+ 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 Calculation

Filing Date

March 12, 2004

Earliest Effective Filing

March 12, 2004

Issue Date

June 24, 2008

PTA

0 days

Base Expiry (before PTA)

—

March 12, 2004 + 20 years = —

Data 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.