3852949

Information

• Patent Grant
• 3852949

• References
• Source

• Patent Number

  3,852,949

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1974
  50 years ago

• CPC

  • G04B19/264 - with indicators for biological cycles

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 040 - Card, picture, or sign exhibiting
  • 273 - Amusement devices: games
  • 968 - Horology