1977601

Information

• Patent Grant
• 1977601

• References
• Source

• Patent Number

  1,977,601

• Date Filed

  Not available

• Date Issued

  Tuesday, October 16, 1934
  90 years ago

• CPC

  • F16L55/24 - Preventing accumulation of dirt or other matter in the pipes
  • B01D29/0081 - with backwash shoes; with nozzles
  • B01D29/0097 - Curved filtering elements

• US Classifications

  • 210 - Liquid purification or separation