1695811

Information

• Patent Grant
• 1695811

• References
• Source

• Patent Number

  1,695,811

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1928
  96 years ago

• CPC

  • B01D37/025 - additives incorporated in the filter
  • B01D29/09 - with filtering bands
  • B01D33/044 - with filtering bands or the like supported on cylinders which are pervious for filtering

• US Classifications

  • 210 - Liquid purification or separation