499411

Information

• Patent Grant
• 499411

• References
• Source

• Patent Number

  499,411

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1893
  131 years ago

• CPC

  • B66B3/004 - Mechanical devices that can be illuminated

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 246 - Railway switches and signals
  • 340 - Communications: electrical