3907684

Information

• Patent Grant
• 3907684

• References
• Source

• Patent Number

  3,907,684

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • E02B15/105 - Archimedian screws
  • Y10S210/923 - using mechanical means

• US Classifications

  • 210 - Liquid purification or separation