776955

Information

• Patent Grant
• 776955

• References
• Source

• Patent Number

  776,955

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1904
  120 years ago

• CPC

  • G04C21/24 - put into action by the spring of a mechanical alarm work
  • G04B9/025 - Acoustical or electrical indicating means

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 340 - Communications: electrical
  • 968 - Horology