3313255

Information

• Patent Grant
• 3313255

• References
• Source

• Patent Number

  3,313,255

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1967
  57 years ago

• CPC

  • D05B3/06 - for sewing buttonholes
  • D05B33/003 - by equal steps of adjustable length
  • D05B35/12 - Indicators for positioning work

• US Classifications

  • 112 - Sewing