3536021

Information

• Patent Grant
• 3536021

• References
• Source

• Patent Number

  3,536,021

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1970
  54 years ago

• CPC

  • D05B1/14 - Combined or alternative chain-stitch and lock-stitch seams
  • D05B57/04 - rotary

• US Classifications

  • 112 - Sewing