3561153

Information

• Patent Grant
• 3561153

• References
• Source

• Patent Number

  3,561,153

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1971
  53 years ago

• CPC

  • A63H33/3066 - Watches or clocks

• US Classifications

  • 446 - Amusement devices: toys
  • 359 - Optical: systems and elements
  • D21 - Games, toys, and sports goods