• All sections
• F - Mechanical engineeringlightingheatingweaponsblasting
• F41A - Functional features or details common to both smallarms and ordnance, e.g. cannonsmountings for smallarms or ordnance
• F41A 3/76 - Obturating or packing devices for gas leak prevention in breech mechanisms specially adapted for sealing the gap between the forward end of the cartridge chamber and the rearward end of the barrel, e.g. sealing devices for revolvers or revolver-type guns

Patent holdings for IPC class F41A 3/76

Total number of patents in this class: 9

10-year publication summary

Principal owners for this class