922849

Information

• Patent Grant
• 922849

• References
• Source

• Patent Number

  922,849

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1909
  115 years ago

• CPC

  • B66B3/00 - Applications of devices for indicating or signalling operating conditions of elevators
  • B66B3/004 - Mechanical devices that can be illuminated

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 200 - Electricity: circuit makers and breakers
  • 340 - Communications: electrical