1521704

Information

• Patent Grant
• 1521704

• References
• Source

• Patent Number

  1,521,704

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1925
  100 years ago

• CPC

  • B03B5/64 - of the free settling type
  • Y10T137/7316 - Self-emptying tanks

• US Classifications

  • 210 - Liquid purification or separation
  • 137 - Fluid handling
  • 222 - Dispensing