Near-sighted lens of wide-vision diving mirror

Details Near-sighted lens of wide-vision diving mirror Near-sighted lens of wide-vision diving mirror

2007-02-06

2007-02-06

Dang, Hung Xuan (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Floating or underwater type

C002S430000

Reexamination Certificate

active

11095641

ABSTRACT:
The present invention is a near-sighted lens of a wide-vision diving mirror, wherein contracted latching pieces at the upper, lower, and inner sides of a front lens of a wide-vision diving mirror are latched into the latching slots of lens frames of a mask; two assembling sections are formed by cutting the other side of the front lens, and one side of the side lens, respectively. As there is no frame edge interfering with the vision in combing the front and side lens into a mirror via their assembling sections, a wide-vision and replaceable near-sighted diving mirror can be formed.

REFERENCES:
patent: 5523804 (1996-06-01), Nolan

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