3807330

Information

• Patent Grant
• 3807330

• References
• Source

• Patent Number

  3,807,330

• Date Filed

  Not available

• Date Issued

  Tuesday, April 30, 1974
  50 years ago

• CPC

  • D05B57/02 - for chain-stitch sewing machines
  • D05B57/12 - oscillating

• US Classifications

  • 112 - Sewing