2488824

Information

• Patent Grant
• 2488824

• References
• Source

• Patent Number

  2,488,824

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1949
  75 years ago

• CPC

  • G04C15/0036 - provided with means for indicating disturbance

• US Classifications

  • 340 - Communications: electrical
  • 310 - Electrical generator or motor structure
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology