3107442

Information

• Patent Grant
• 3107442

• References
• Source

• Patent Number

  3,107,442

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1963
  61 years ago

• CPC

  • A47B83/008 - Easels combined with seats

• US Classifications

  • 434 - Education and demonstration
  • D19 - Office supplies