Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate
2003-09-29
2009-06-09
Yu, Justine R (Department: 3771)
Surgery
Respiratory method or device
Means for supplying respiratory gas under positive pressure
C128S205220, C128S204180, C128S204260
Reexamination Certificate
active
07543584
ABSTRACT:
A combination of an SCBA system for providing bottled air to a user and a PAPR system for purifying ambient air for use by a user wherein the two systems are used alternatingly depending on the contaminated condition of the ambient air and the oxygen content of the ambient air.
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Dixon Annette F
Interspiro, Inc.
Marshall & Gerstein & Borun LLP
Yu Justine R
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