1136678

Information

• Patent Grant
• 1136678

• References
• Source

• Patent Number

  1,136,678

• Date Filed

  Not available

• Date Issued

  Tuesday, April 20, 1915
  109 years ago

• CPC

  • B66B5/028 - Safety devices separate from control system in case of power failure, for hydraulical lifts
  • B66B5/282 - Structure thereof
  • B66B5/284 - mounted on cars or counterweights

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 091 - Motors: expansible chamber type