3320911

Information

• Patent Grant
• 3320911

• References
• Source

• Patent Number

  3,320,911

• Date Filed

  Not available

• Date Issued

  Tuesday, May 23, 1967
  57 years ago

• CPC

  • D05B57/16 - with bobbin casings guided in tracks
  • D05B57/12 - oscillating

• US Classifications

  • 112 - Sewing