138984

Information

• Patent Grant
• 138984

• References
• Source

• Patent Number

  138,984

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1873
  151 years ago

• CPC

  • B66B13/24 - Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
  • B66B13/02 - Door or gate operation

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 160 - Flexible or portable closure, partition, or panel