3332377

Information

• Patent Grant
• 3332377

• References
• Source

• Patent Number

  3,332,377

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1967
  57 years ago

• CPC

  • D05B33/003 - by equal steps of adjustable length
  • D05D2209/06 - with low friction
  • D10B2501/062 - Buttonholes

• US Classifications

  • 112 - Sewing