Dive mask having replaceable lenses and frame bonded into a...

Details Dive mask having replaceable lenses and frame bonded into a... Dive mask having replaceable lenses and frame bonded into a...

2007-02-27

2007-02-27

Calvert, John J. (Department: 3765)

Apparel

Guard or protector

For wearer's head

C002S426000, C002S427000, C002S431000, C002S446000

Reexamination Certificate

active

11228667

ABSTRACT:
A dive mask having a pair of replaceable lenses comprises a soft, flexible skirt for bearing against the diver's face, an inner lens frame having a pair of openings for receiving the lenses and a peripheral member integrally molded into the skirt for permanent retention therein and a removable outer lens frame having a pair of lens openings and a peripheral member shaped to bear against the lenses adjacent the skirt. A sealing gasket is preferable molded into the inner lens frame along the lens openings to prevent water leakage into the face side of the lenses.

REFERENCES:
patent: 2368303 (1945-01-01), Johnston
patent: 3415596 (1968-12-01), Carmichael
patent: 5682621 (1997-11-01), Park
patent: 6192523 (2001-02-01), Pan
patent: 6349419 (2002-02-01), Chiang
patent: 6484324 (2002-11-01), Garofalo
patent: 6532603 (2003-03-01), Lan

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