Contact lens product

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11467425
APP PUB NO 20200363656A1
SERIAL NO

16984301

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A contact lens product includes a multifocal contact lens and a buffer solution. The multifocal contact lens includes a central region and at least one annular region. The annular region concentrically surrounds the central region. A diopter of the annular region is different from a diopter of the central region. The multifocal contact lens is immersed in the buffer solution, and the buffer solution includes a cycloplegic agent.

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First Claim

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Patent Owner(s)

  • LARGAN MEDICAL CO., LTD

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Wei-Yuan Taichung, TW 65 86
Lin, En-Ping Taichung, TW 24 33
Teng, Chun-Hung Taichung, TW 39 30

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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 Apr 11, 2026
7.5 Year Payment $3600.00 $1800.00 $900.00 Apr 11, 2030
11.5 Year Payment $7400.00 $3700.00 $1850.00 Apr 11, 2034
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Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
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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