Sleep mask

Details Sleep mask Sleep mask

2000-04-24

2004-05-11

Barkai, Raphael (Department: 2912)

Photography and optical equipment

Ophthalmic article

Eyeglasses, eyewear, or frame therefor

Design Patent

active

D0489749

CLAIM:
The ornamental design for sleep mask, as shown and described.

REFERENCES:
patent: 3780379 (1973-12-01), Kampman
patent: D285624 (1986-09-01), Rosenbaum
patent: 4649908 (1987-03-01), Ghaly
patent: 4790031 (1988-12-01), Duerer
patent: 4872217 (1989-10-01), Kitayama
patent: 6088836 (2000-07-01), de Cordova
patent: D465234 (2002-11-01), Gordon
patent: 6571799 (2003-06-01), Daly

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