1579574

Information

• Patent Grant
• 1579574

• References
• Source

• Patent Number

  1,579,574

• Date Filed

  Not available

• Date Issued

  Tuesday, April 6, 1926
  98 years ago

• CPC

  • E06C1/3835 - having collapsible steps comprising a hinge in their central part
  • A47L3/04 - Safety ropes
  • E06C1/34 - Ladders attached to structures, such as windows, cornices, poles, or the like
  • E06C9/085 - ladders unfolded in the direction of the longitudinal members

• US Classifications

  • 182 - Fire escape, ladder, or scaffold