3746131

Information

• Patent Grant
• 3746131

• References
• Source

• Patent Number

  3,746,131

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • B66B1/2458 - For elevator systems with multiple shafts and a single car per shaft
  • B66B2201/103 - Destination call input before entering the elevator car
  • B66B2201/211 - Waiting time
  • B66B2201/213 - where the number of stops is limited

• US Classifications

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