3385397

Information

• Patent Grant
• 3385397

• References
• Source

• Patent Number

  3,385,397

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1968
  56 years ago

• CPC

  • E06C1/525 - made of a continuous strip of material
  • E04H12/185 - with identical elements
  • E06C1/56 - Rope or chain ladders

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 052 - Static structures