3870307

Information

• Patent Grant
• 3870307

• References
• Source

• Patent Number

  3,870,307

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • A63F7/027 - electric
  • A63F2250/028 - Ringing a bell

• US Classifications

  • 273 - Amusement devices: games