3142355

Information

• Patent Grant
• 3142355

• References
• Source

• Patent Number

  3,142,355

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1964
  60 years ago

• CPC

  • E06C1/39 - Ladders having platforms Ladders changeable into platforms
  • A47B45/00 - Cabinets, racks or shelf units, characterised by features enabling enlarging in height, length, or depth
  • E06C1/3835 - having collapsible steps comprising a hinge in their central part

• US Classifications

  • 182 - Fire escape, ladder, or scaffold