2528247

Information

• Patent Grant
• 2528247

• References
• Source

• Patent Number

  2,528,247

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1950
  74 years ago

• CPC

  • G04C15/0036 - provided with means for indicating disturbance

• US Classifications

  • 340 - Communications: electrical
  • 060 - Power plants
  • 968 - Horology