Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Floating or underwater type
Reexamination Certificate
2007-01-23
2007-01-23
Dang, Hung Xuan (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Floating or underwater type
C351S045000, C351S046000, C002S426000
Reexamination Certificate
active
10533185
ABSTRACT:
This invention provides swimming goggles that improve the field of vision, and particularly improve the field of vision while swimming.The eye cup2comprises: a contact section that comes in contact with the area surrounding the eye; a peripheral section6that is located around that contact section and that, when worn, extends a specified distance forward in the viewing direction; and a forward-viewing section7that is arranged such that the bottom is located on the front end section of the bottom of the peripheral section6,and the top is located on or near the aforementioned contact section. Also, a difficult-viewing section14is located at least at the bottom part of the peripheral section6below the center position of the forward-viewing section7such that it is more difficult to see through than the top portion of the forward-viewing section7,which makes it possible to improve the field of vision as well as makes it possible to swim without sensing the light refraction.
REFERENCES:
patent: 3672750 (1972-06-01), Hagen
patent: H10-290846 (1998-11-01), None
patent: 3075386 (2001-02-01), None
Yokota Keiko
Yokota Takeshi
Chen Yonghong
Dang Hung Xuan
Pendorf Stephan
Yokota Keiko
Yokota Takeshi
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