3081721

Information

• Patent Grant
• 3081721

• References
• Source

• Patent Number

  3,081,721

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1963
  61 years ago

• CPC

  • D05B3/24 - formed by general-purpose sewing machines modified by attachments
  • D05D2303/14 - Buttons
  • D10B2501/062 - Buttonholes

• US Classifications

  • 112 - Sewing