2820419

Information

• Patent Grant
• 2820419

• References
• Source

• Patent Number

  2,820,419

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1958
  67 years ago

• CPC

  • B01J49/0086 - of water softeners
  • C01B33/46 - Amorphous silicates
  • C02F1/42 - by ion-exchange
  • Y10T137/7303 - Control of both inflow and outflow of tank
  • Y10T137/7394 - Trip mechanism

• US Classifications

  • 417 - Pumps
  • 137 - Fluid handling
  • 210 - Liquid purification or separation