3640536

Information

• Patent Grant
• 3640536

• References
• Source

• Patent Number

  3,640,536

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  53 years ago

• CPC

  • A63F3/00075 - War games
  • A63F3/00643 - Electric board games;Electric features of board games
  • A63F2003/00078 - Naval war

• US Classifications

  • 273 - Amusement devices: games