3903684

Information

• Patent Grant
• 3903684

• References
• Source

• Patent Number

  3,903,684

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • G04F1/00 - Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms
  • G04B17/02 - Oscillators acting by gravity

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 273 - Amusement devices: games
  • 446 - Amusement devices: toys
  • 968 - Horology