2687922

Information

• Patent Grant
• 2687922

• References
• Source

• Patent Number

  2,687,922

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1954
  70 years ago

• CPC

  • E04G3/18 - supported by cantilevers or other provisions mounted in openings in the building
  • A47L3/02 - Cages Platforms

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 248 - Supports