3817351

Information

• Patent Grant
• 3817351

• References
• Source

• Patent Number

  3,817,351

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • E06C1/04 - Ladders for resting against objects
  • E06C1/52 - with non-rigid longitudinal members

• US Classifications

  • 182 - Fire escape, ladder, or scaffold