Fire extinguisher pressure alarm
Patent 6125940 Issued on October 3, 2000. Estimated Expiration Date: 
November 19, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 19, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2605848 Fire extinguishing system Electroluminescent signalling fire extinguisher Hazard detection, warning, and response system Patent #: 5808541 InventorApplicationNo. 195828 filed on 11/19/1998US Classes:169/23, ALARMS169/75With means preventing accidental discharge, relieving pressure, or indicating condition within vesselExaminersPrimary: Morris, Lesley D.Foreign Patent References
International ClassA62C 013/76AbstractA pressure indicating system is provided including a housing having an extension mounted thereon adapted for being releasably engaged with a fire extinguisher. Also includes is a battery compartment mounted within the housing for containing at least one battery. Next provided is a pressure gauge adapted for providing an indication of an amount of pressure at which the contents of the fire extinguisher reside. A visual indicator is mounted on the housing. Further, a control driver is adapted to provide an indication of an amount of pressure of the contents within the fire extinguisher by way of the visual indicator. | |
