1521888

Information

• Patent Grant
• 1521888

• References
• Source

• Patent Number

  1,521,888

• Date Filed

  Not available

• Date Issued

  Tuesday, January 6, 1925
  100 years ago

• CPC

  • A44B1/20 - attached by thread visible to the front
  • Y10S264/34 - Processes and molds for making buttons
  • Y10T24/3677 - Flexible button
  • Y10T24/3689 - Thread or wire through apertured button

• US Classifications

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