2417641

Information

• Patent Grant
• 2417641

• References
• Source

• Patent Number

  2,417,641

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1947
  77 years ago

• CPC

  • G04F1/04 - by movement or acceleration due to gravity

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 099 - Foods and beverages: apparatus
  • 273 - Amusement devices: games
  • 446 - Amusement devices: toys
  • 968 - Horology