3494446

Information

• Patent Grant
• 3494446

• References
• Source

• Patent Number

  3,494,446

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1970
  54 years ago

• CPC

  • E06C1/14 - Ladders capable of standing by themselves

• US Classifications

  • 182 - Fire escape, ladder, or scaffold