Face mask for diving

Details Face mask for diving Face mask for diving

2006-11-14

2006-11-14

Moran, Katherine (Department: 3765)

Apparel

Guard or protector

For wearer's head

C351S043000

Reexamination Certificate

active

07134149

ABSTRACT:
Here is disclosed a face mask provided with a rotation angle regulating means for stepwise variation of an angle of each buckle relative to associated lens frame side wall. A buckle is rotatably attached to the lens frame side wall of the face mask and the lens frame side wall and the buckle are formed with the rotation angle regulating means comprising one or more protrusions and depressions adapted to be releasably brought into mutual engagement.

REFERENCES:
patent: 5611644 (1997-03-01), Lutz
patent: 6350030 (2002-02-01), Fujima
patent: 6477717 (2002-11-01), Winefordner et al.
patent: 6708349 (2004-03-01), Semeia
patent: 1997-132193 (1997-05-01), None
patent: 2001-218869 (2001-08-01), None

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