Hydrodynamically actuated preservative free dispensing system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11925577
APP PUB NO 20210322209A1
SERIAL NO

17233105

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Multi-dose preservative-free ocular fluid delivery devices are provided. The fluid delivery device includes a fluid dispensing system and a fluid package for storing a liquid therein and supplying said liquid to the dispensing system. The dispensing system comprises an elongated chamber which includes a check valve which defines a frontal closure to the chamber. The valve is normally closed and hermetically seals the chamber. The dispenser includes a vibration motor that induces oscillations to the chamber and to the fluid within. The oscillations of the chamber impart momentum to the fluid stored in the chamber which in turn imparts force that cyclically opens the valve to dispense streams or liquid droplets. Fluid is dispensed only when the motor oscillates while otherwise the valve is hermetically closed.

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Patent Owner(s)

  • BAUSCH + LOMB IRELAND LIMTED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ivri, Yehuda Newport Coast, US 69 3576

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Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 12, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 12, 2031
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Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00