872457

Information

• Patent Grant
• 872457

• References
• Source

• Patent Number

  872,457

• Date Filed

  Not available

• Date Issued

  Tuesday, December 3, 1907
  117 years ago

• CPC

  • B66B29/08 - Means to facilitate passenger entry or exit
  • B66B21/025 - of variable speed type
  • B66B23/12 - Steps
  • B66B23/14 - Guiding means for carrying surfaces

• US Classifications

  • 198 - Conveyors: power-driven