3811392

Information

• Patent Grant
• 3811392

• References
• Source

• Patent Number

  3,811,392

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • D05B1/14 - Combined or alternative chain-stitch and lock-stitch seams
  • D05B1/10 - Double chain-stitch seams
  • D05B57/02 - for chain-stitch sewing machines

• US Classifications

  • 112 - Sewing