3430222

Information

• Patent Grant
• 3430222

• References
• Source

• Patent Number

  3,430,222

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  55 years ago

• CPC

  • G04C21/32 - giving indications at a number of places each at a different time

• US Classifications

  • 340 - Communications: electrical
  • 968 - Horology