2491103

Information

• Patent Grant
• 2491103

• References
• Source

• Patent Number

  2,491,103

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1949
  76 years ago

• CPC

  • G04C15/0036 - provided with means for indicating disturbance
  • G04B23/02 - Alarm clocks

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 116 - Signals and indicators
  • 968 - Horology