3614997

Information

• Patent Grant
• 3614997

• References
• Source

• Patent Number

  3,614,997

• Date Filed

  Not available

• Date Issued

  Tuesday, October 26, 1971
  53 years ago

• CPC

  • B66B1/2458 - For elevator systems with multiple shafts and a single car per shaft
  • B66B2201/102 - Up or down call input
  • B66B2201/211 - Waiting time
  • B66B2201/225 - Taking into account a certain departure interval of elevator cars from a specific floor
  • B66B2201/403 - by real-time traffic data

• US Classifications

  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle