2574721

Information

• Patent Grant
• 2574721

• References
• Source

• Patent Number

  2,574,721

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1951
  73 years ago

• CPC

  • A63F7/3075 - imparting energy to the ball
  • A63F7/027 - electric
  • A63F2007/0094 - using electromagnetic action

• US Classifications

  • 273 - Amusement devices: games