Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2006-10-11
2010-11-23
Yu, Justine R (Department: 3771)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C137S081100, C137S907000, C137S908000, C251S083000
Reexamination Certificate
active
07836886
ABSTRACT:
The auxiliary breathing flow channel apparatus for an oxygen mask for pilots and crew of an airplane includes a flow control device with closed and open positions to regulate flow through an auxiliary channel. A pressure sensor such as an aneroid capsule automatically closes the auxiliary channel upon a decrease in cabin pressure. A handle also allows a user to manually move the flow regulating means to a closed position.
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Cannon James C.
Feith Raymond P.
McDonald Thomas K.
Oswald Mark A.
Rogers Bryan N.
B/E Intellectual Property
Fulwider Patton LLP
Stuart Colin
Yu Justine R
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