3525139

Information

• Patent Grant
• 3525139

• References
• Source

• Patent Number

  3,525,139

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1970
  54 years ago

• CPC

  • B21F33/00 - Tools or devices specially designed for handling or processing wire fabrics or the like
  • B01D29/111 - Making filtering elements
  • B01D29/21 - with corrugated, folded or wound sheets
  • B01D35/143 - Filter condition indicators
  • B21F17/00 - Jacketing or reinforcing articles with wire
  • B21F27/18 - of meshed work for filters or sieves
  • E21B43/088 - Wire screens
  • Y10T29/49602 - Coil wound wall screen
  • Y10T29/49876 - by snap fit

• US Classifications

  • 140 - Wireworking
  • 029 - Metal working
  • 166 - Wells
  • 210 - Liquid purification or separation