Detachable sideshade for spectacles

Details Detachable sideshade for spectacles Detachable sideshade for spectacles

2010-12-09

2011-10-25

Dang, Hung (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

With antiglare or shading

C002S449000

Reexamination Certificate

active

08042936

ABSTRACT:
A sideshade for reducing peripheral glare that is removably attachable to a temple of spectacles such that the wearer of the spectacles is not required to remove the spectacles in order to attach the sideshade to or detach the sideshade from the temple of the spectacles. The detachable sideshade is optical or near-optical quality so as not to degrade the wearer's peripheral vision. The sideshade is lightweight and easy to attach and remove.

REFERENCES:
patent: 3721490 (1973-03-01), Prince
patent: 3932031 (1976-01-01), Johnston
patent: 5394567 (1995-03-01), Vatterott
patent: 5438706 (1995-08-01), Lambur
patent: 6575569 (2003-06-01), Castellano
patent: 1372190 (1963-10-01), None

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