3023721

Information

• Patent Grant
• 3023721

• References
• Source

• Patent Number

  3,023,721

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1962
  62 years ago

• CPC

  • D05B63/04 - Loop-taker thread guards
  • D05B55/06 - Needle guides Needle protectors
  • D05B57/143 - Vertical axis type

• US Classifications

  • 112 - Sewing