Fire extinguisher had been developed by DuPont and the US Army in 1954. Both 1211 and 1301 work by inhibiting the chain reaction of the fire, and in the case of Halon 1211, cooling class A fuels as well. Halon is still in use today but is falling out of favor for many uses due to its environmental impact. Europe and Australia have severely restricted its use, since the Montreal Protocol of 1987. Less severe restrictions have been implemented in the United States, the Middle East, and Asia. Internationally there are several accepted classification methods for hand-held fire extinguisher. Each classification is
Chubb Fire Campbell copper shell extinguisher was installed in the RAC Club in London. This pure copper extinguisher was very popular where appearance was important. 1964 The business was acquired by Chubb and Sons but continued to operate from Horsham as Read and Campbell until the formation of Chubb Fire Security Limited in 1971. Minimax, started in England in 1903, very soon became world renowned for their conical extinguisher known as 'The Minimax'. This was until they joined The Pyrene Company in 1955, their unique shaped extinguishers were a familiar sight in most public buildings and offices. 1903 Minimax Limited opened their