2980343

Information

• Patent Grant
• 2980343

• References
• Source

• Patent Number

  2,980,343

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  64 years ago

• CPC

  • F04B11/0033 - with a mechanical spring
  • B05B9/0805 - comprising a pressurised or compressible container for liquid or other fluent material
  • B05B11/0064 - Lift valves
  • B05B11/0075 - Two outlet valves being placed in a delivery conduit, one downstream the other
  • B05B11/3001 - Piston pumps
  • B05B11/3038 - Pressure accumulation pumps
  • B05B11/309 - the dispensing stroke being effected by the stored energy of a spring
  • F04B9/06 - the means including spring- or weight-loaded lost-motion devices

• US Classifications

  • 239 - Fluid sprinkling, spraying, and diffusing