3013939

Information

• Patent Grant
• 3013939

• References
• Source

• Patent Number

  3,013,939

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1961
  62 years ago

• CPC

  • B01D46/522 - with specific folds
  • B01D29/111 - Making filtering elements
  • B01D39/14 - Other self-supporting filtering material; Other filtering material
  • B01D46/0005 - Mounting of filtering elements within casings, housings or frames
  • B01D46/14 - arranged in a star shape
  • B01D46/24 - Particle separators
  • B01D2201/12 - Pleated filters

• US Classifications

  • 162 - Paper making and fiber liberation
  • 210 - Liquid purification or separation