3142356

Information

• Patent Grant
• 3142356

• References
• Source

• Patent Number

  3,142,356

• Date Filed

  Not available

• Date Issued

  Tuesday, July 28, 1964
  60 years ago

• CPC

  • E06C7/088 - with tie rods parallel to the rungs

• US Classifications

  • 182 - Fire escape, ladder, or scaffold