1967197

Information

• Patent Grant
• 1967197

• References
• Source

• Patent Number

  1,967,197

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1934
  90 years ago

• CPC

  • C02F11/126 - using drum filters
  • Y10S159/905 - Sewage treatment

• US Classifications

  • 210 - Liquid purification or separation
  • 159 - Concentrating evaporators