Fire extinguishers – Portable vessels – Gas pressure
Reexamination Certificate
2007-03-13
2007-03-13
Nguyen, Dinh Q. (Department: 3752)
Fire extinguishers
Portable vessels
Gas pressure
C169S060000, C169S061000, C169S023000, C169S030000, C169S057000, C340S552000, C340S611000, C073S313000
Reexamination Certificate
active
10274606
ABSTRACT:
An apparatus for remote inspection of fire extinguishers at one or a system of fire extinguisher stations includes, e.g., at each fire extinguisher station: a detector for lack of presence of a fire extinguisher in its installed position at the fire extinguisher station; a detector for out-of-range pressure of contents of the fire extinguisher at the fire extinguisher station; a detector for an obstruction to viewing of or access to the fire extinguisher at the fire extinguisher station; and a device for communication of inspection report information by wireless signal between the fire extinguisher station and a remote central station.
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McSheffrey Brendan T.
McSheffrey John J.
Fish & Richardson P.C.
MIJA Industries, Inc.
Nguyen Dinh Q.
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