Measuring and testing – Liquid level or depth gauge – With other measuring device
Reexamination Certificate
2006-09-20
2009-08-18
Larkin, Daniel S (Department: 2856)
Measuring and testing
Liquid level or depth gauge
With other measuring device
C073S040000, C169S023000, C169S057000, C169S060000, C169S061000, C169S075000
Reexamination Certificate
active
07574911
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 transmission of inspection report information from the fire extinguisher station to a remote central station.
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McSheffrey Brendan T.
McSheffrey John J.
Fish & Richardson P.C.
Larkin Daniel S
MIJA Industries, Inc.
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