700496

Information

• Patent Grant
• 700496

• References
• Source

• Patent Number

  700,496

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1902
  122 years ago

• CPC

  • G04C21/24 - put into action by the spring of a mechanical alarm work

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 200 - Electricity: circuit makers and breakers
  • 315 - Electric lamp and discharge devices: systems
  • 362 - Illumination