1819811

Information

• Patent Grant
• 1819811

• References
• Source

• Patent Number

  1,819,811

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1931
  93 years ago

• CPC

  • B29D19/04 - by cutting, milling, turning, stamping, or perforating moulded parts Surface treatment of buttons
  • Y10S83/905 - Buttonhole making
  • Y10S264/34 - Processes and molds for making buttons
  • Y10S264/38 - Making film or tubes from casein

• US Classifications

  • 079 - Button making
  • 083 - Cutting
  • 264 - Plastic and nonmetallic article shaping or treating: processes