Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Connectors
Reexamination Certificate
2005-09-13
2005-09-13
Dang, Hung Xuan (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Connectors
C016S228000
Reexamination Certificate
active
06942338
ABSTRACT:
A spectacle frame has a frameless lens or lens frame, an arm, a clamp that bears upon the arm and is attached hingedly to an arm mounting of the frameless lens or lens frame. The clamp enables easy removal and replacement of the arm without the need for tools.
REFERENCES:
patent: 3762804 (1973-10-01), Livas
Alix Yale & Ristas, LLP
Dang Hung Xuan
Sun Hing Optical Manufactory Limited
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