F21V37/0041 - CPC Classification

Details of lighting devices employing combustion as light source, not otherwise provided for using liquid fuel Fuel supply

• F21V37/0045 » {using hydrostatic pressure or weights} 1
• F21V37/005 » {using air or gas pressure} 0
• F21V37/0054 » {Controlling means, e.g. floaters} 3

Recent Application in this class: