3753412

Information

• Patent Grant
• 3753412

• References
• Source

• Patent Number

  3,753,412

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1973
  51 years ago

• CPC

  • C21D9/26 - for needles for teeth for card-clothing
  • B21G1/006 - Special treatments of pins or needles

• US Classifications

  • 112 - Sewing
  • 028 - Textiles: manufacturing