Breathing mask

Details Breathing mask Breathing mask

2006-04-12

2010-10-19

Yu, Justine R (Department: 3771)

Surgery

Respiratory method or device

Face mask covering a breathing passage

C128S205250

Reexamination Certificate

active

07814909

ABSTRACT:
A full breathing mask including an inner face mask and an outer face mask. The outer face mask includes a basin-shaped intermediate wall which extends from the inside of the outer face mask and which has a free end, a con-cave side, which is intended to embrace and lie in abutment with the wearer's chin part, and a convex side. At least substantially the entire perimeter of the inner face mask is adapted to lie against the wearer's face.

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patent: 0 686 408 (1995-12-01), None
patent: WO-96/07452 (1996-03-01), None

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