1684251

Information

• Patent Grant
• 1684251

• References
• Source

• Patent Number

  1,684,251

• Date Filed

  Not available

• Date Issued

  Tuesday, September 11, 1928
  97 years ago

• CPC

  • B61B12/005 - Rescue devices for passengers
  • E21B15/00 - Derricks Masts; Other supports

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 104 - Railways
  • 105 - Railway rolling stock
  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 188 - Brakes