3847101

Information

• Patent Grant
• 3847101

• References
• Source

• Patent Number

  3,847,101

• Date Filed

  Not available

• Date Issued

  Tuesday, November 12, 1974
  50 years ago

• CPC

  • D05B73/02 - Upper casings
  • D05B65/00 - Devices for severing the needle or lower thread
  • D05B3/06 - for sewing buttonholes

• US Classifications

  • 112 - Sewing