Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2005-05-31
2005-05-31
Bennett, Henry (Department: 3743)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S201270, C340S573100
Reexamination Certificate
active
06899101
ABSTRACT:
A mask and regulator for a self-contained breathing apparatus (SCBA) having a lens and a nozzle, the regulator being adapted for connection to the nozzle. A bifurcated display is mounted on the regulator for displaying amounts of pressure through a port communicating with the lens on either side of the nozzle. A high pressure connection to the source of breathing gas is connected to a transducer assembly for indicating the pressure to the bifurcated display on the regulator on either side. The display provides pressure values through the exterior of the lens in a bifurcated manner analogous to an arcuate gauge display.
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Haston David V.
Luzie, Jr. Nicolo J.
Schaefer Carl E.
Toft Carl
Wippler John
Bennett Henry
Knobbe Martens Olson & Bear LLP
Mitchell Teena
Survivair Respirators, Inc.
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