3851735

Information

• Patent Grant
• 3851735

• References
• Source

• Patent Number

  3,851,735

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1974
  50 years ago

• CPC

  • B66B1/468 - Call registering systems
  • B66B1/14 - with devices
  • B66B2201/4623 - Wherein the destination is registered after boarding
  • B66B2201/463 - Wherein the call is registered through physical contact with the elevator system

• US Classifications

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