Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption
Reexamination Certificate
2005-05-24
2005-05-24
Mai, Huy (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
With moisture prevention or absorption
C351S158000, C002S437000
Reexamination Certificate
active
06896366
ABSTRACT:
A goggle, for use, for example, in paintball, comprises a lens12, a body structure14for the lens and a strap16. The body structure defines an ocular chamber34that covers the wearer's eyes, and an exhalation chamber36that covers the wearer's nose and mouth. An inlet plenum channel42leads from an inlet chamber44in the front of the goggle10up to the lower edge of the lens12, and a fan46in the plenum channel42blows air from the inlet upwards across the inner surface of the lens12. Air exhaled by the wearer leaves the exhalation chamber through outlet apertures56in the bottom of the mask, and is therefore directed away from the duct inlet chamber44.
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Rice John Ronald
Walker Mark Andrew
Mai Huy
NPF Limited
Vedder Price Kaufman & Kammholz P.C.
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