227251

Information

• Patent Grant
• 227251

• References
• Source

• Patent Number

  227,251

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1880
  144 years ago

• CPC

  • B01D29/0054 - arranged concentrically or coaxially

• US Classifications

  • 210 - Liquid purification or separation
  • 248 - Supports