Surgery – Respiratory method or device – Means for indicating improper condition of apparatus
Reexamination Certificate
2006-06-27
2006-06-27
Lewis, Aaron J. (Department: 3743)
Surgery
Respiratory method or device
Means for indicating improper condition of apparatus
C128S205220, C128S205230
Reexamination Certificate
active
07066172
ABSTRACT:
A warning device for a respirator product with a valve (11), which comes into action in a state of warning and releases a gas flow. The warning does not hinder the user of the apparatus and only a very small portion of the gas supply carried with the user is used by the warning device. The gas flow is brought into the range of perception of a person via a scent cartridge (9).
REFERENCES:
patent: 2299793 (1942-10-01), Cannaday et al.
patent: 2490839 (1949-12-01), Shaffer et al.
patent: 2894478 (1959-07-01), Reed et al.
patent: 2989294 (1961-06-01), Coker
patent: 3861350 (1975-01-01), Selleck
patent: 3911413 (1975-10-01), Wallace
patent: 4165738 (1979-08-01), Graves et al.
patent: 4413622 (1983-11-01), Austin
patent: 4510930 (1985-04-01), Garcia
patent: 4862931 (1989-09-01), Vella
patent: 5055822 (1991-10-01), Campbell et al.
patent: 5552088 (1996-09-01), Pottier et al.
patent: 5666949 (1997-09-01), Debe et al.
patent: 2003/0105407 (2003-06-01), Pearce, Jr. et al.
patent: 155348 (1938-08-01), None
patent: AS 11 29 376 (1962-05-01), None
patent: 197 53 956 (1999-06-01), None
patent: 287562 (1928-10-01), None
patent: 462514 (1937-03-01), None
Dräger Safety AG & Co. KGaA
Lewis Aaron J.
McGlew & Tuttle P.C.
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