2994434

Information

• Patent Grant
• 2994434

• References
• Source

• Patent Number

  2,994,434

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1961
  63 years ago

• CPC

  • B07B1/524 - the brushes being rotating

• US Classifications

  • 210 - Liquid purification or separation
  • 055 - Gas separation