289608

Information

• Patent Grant
• 289608

• References
• Source

• Patent Number

  289,608

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1883
  141 years ago

• CPC

  • G09B1/32 - comprising elements to be used without a special support
  • B43L1/02 - Slates
  • Y10S24/08 - Paper clips

• US Classifications

  • 434 - Education and demonstration
  • 024 - Buckles, buttons, clasps, etc.