2230307

Information

• Patent Grant
• 2230307

• References
• Source

• Patent Number

  2,230,307

• Date Filed

  Not available

• Date Issued

  Tuesday, February 4, 1941
  84 years ago

• CPC

  • B01D33/275 - using contiguous impervious surfaces

• US Classifications

  • 210 - Liquid purification or separation
  • 100 - Presses