1920120

Information

• Patent Grant
• 1920120

• References
• Source

• Patent Number

  1,920,120

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1933
  91 years ago

• CPC

  • B44F1/14 - Iridescent effects
  • Y10S264/34 - Processes and molds for making buttons
  • Y10T24/3694 - Ornamental type

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 024 - Buckles, buttons, clasps, etc.
  • 079 - Button making