1997970

Information

• Patent Grant
• 1997970

• References
• Source

• Patent Number

  1,997,970

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1935
  90 years ago

• CPC

  • C02F1/686 - Devices for dosing liquid additives
  • Y10T137/2536 - Float controlled weir or valve
  • Y10T137/7455 - Valve removable from outside container

• US Classifications

  • 137 - Fluid handling
  • 251 - Valves and valve actuation