2583275

Information

• Patent Grant
• 2583275

• References
• Source

• Patent Number

  2,583,275

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1952
  72 years ago

• CPC

  • A63H1/22 - Colour tops

• US Classifications

  • 446 - Amusement devices: toys
  • 033 - Geometrical instruments