777420

Information

• Patent Grant
• 777420

• References
• Source

• Patent Number

  777,420

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1904
  120 years ago

• CPC

  • B01D61/08 - Apparatus therefor
  • Y10T137/4501 - Ball valve

• US Classifications

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