3841633

Information

• Patent Grant
• 3841633

• References
• Source

• Patent Number

  3,841,633

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1974
  50 years ago

• CPC

  • A63D5/04 - Indicating devices
  • A63D2005/042 - for indicating the ball path

• US Classifications

  • 473 - Games using tangible projectile
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets