Surgery – Respiratory method or device – Face mask covering a breathing passage
Reexamination Certificate
2008-08-22
2011-12-06
Thanh, Loan (Department: 3764)
Surgery
Respiratory method or device
Face mask covering a breathing passage
C128S202270, C128S206120, C128S206160, C128S206270, C128S206280
Reexamination Certificate
active
08069855
ABSTRACT:
A respiratory mask includes: a rigid mask frame having a ring portion, a loop portion spaced apart from the ring portion, and rib portions interconnecting the ring portion and the loop portion, the rigid mask frame defining a frame space; and a single piece of a flexible mask body having a flat central portion, a surrounding portion extending outwardly and curvedly from the flat central portion, and a peripheral end portion flaring from the surrounding portion. The flat central portion is formed with an annular flange sleeved on the ring portion. The peripheral end portion is disposed outwardly of the frame space. The surrounding portion extends into the frame space and is restrained by the rib portions and the loop portion of the mask frame.
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patent: WO 2007/041751 (2007-04-01), None
Fox Rothschild LLP
Ginsberg Oren
Hsiner Co., Ltd.
Sacco Robert J.
Thanh Loan
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