2897607

Information

• Patent Grant
• 2897607

• References
• Source

• Patent Number

  2,897,607

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1959
  65 years ago

• CPC

  • G09F11/34 - the feeding means comprising electromagnets

• US Classifications

  • 434 - Education and demonstration
  • 446 - Amusement devices: toys