1725811

Information

• Patent Grant
• 1725811

• References
• Source

• Patent Number

  1,725,811

• Date Filed

  Not available

• Date Issued

  Tuesday, August 27, 1929
  95 years ago

• CPC

  • B01D35/147 - Bypass or safety valves
  • B01D29/09 - with filtering bands
  • B01D33/044 - with filtering bands or the like supported on cylinders which are pervious for filtering

• US Classifications

  • 123 - Internal-combustion engines
  • 210 - Liquid purification or separation