3504764

Information

• Patent Grant
• 3504764

• References
• Source

• Patent Number

  3,504,764

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1970
  54 years ago

• CPC

  • E06C9/06 - movably mounted

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 193 - Conveyors, chutes, skids, guides, and ways
  • D25 - Building units and construction elements