2981364

Information

• Patent Grant
• 2981364

• References
• Source

• Patent Number

  2,981,364

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1961
  63 years ago

• CPC

  • E06C1/3835 - having collapsible steps comprising a hinge in their central part

• US Classifications

  • 182 - Fire escape, ladder, or scaffold