2172570

Information

• Patent Grant
• 2172570

• References
• Source

• Patent Number

  2,172,570

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1939
  85 years ago

• CPC

  • D05B37/085 - Pinking
  • Y10S83/918 - Pinking

• US Classifications

  • 112 - Sewing
  • 083 - Cutting