3878675

Information

• Patent Grant
• 3878675

• References
• Source

• Patent Number

  3,878,675

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • G07C1/28 - Indicating playing time
  • G04B47/00 - Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
  • G04F3/027 - using electrical contacts

• US Classifications

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