2298980

Information

• Patent Grant
• 2298980

• References
• Source

• Patent Number

  2,298,980

• Date Filed

  Not available

• Date Issued

  Tuesday, October 13, 1942
  82 years ago

• CPC

  • B01D27/005 - Making filter elements
  • B01D23/02 - with fixed filter bodies
  • B01D29/21 - with corrugated, folded or wound sheets

• US Classifications

  • 210 - Liquid purification or separation
  • 162 - Paper making and fiber liberation
  • 493 - Manufacturing container or tube from paper