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DEMAND ACTUATING MEANS FOR ALTERNATE BREATHING SUPPLY
US 3,456,642 A
Filed
: 12/27/1966
Issued
: 07/22/1969
Est. Priority Date
: 12/27/1966
Status: Expired due to Term
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Current Assignee
Figgie International, Inc.
(Johnson Controls International plc)
Original Assignee
Charles D. Cupp
Inventors
Cupp, Charles D.
Application Number
US04/604,979
Time in Patent Office
938 Days
Field of Search
US Class Current
128/204.26
CPC Class Codes
A62B 9/022
Breathing demand regulators...
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