936681

Information

• Patent Grant
• 936681

• References
• Source

• Patent Number

  936,681

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1909
  115 years ago

• CPC

  • E04F11/066 - folding like scissors or accordions

• US Classifications

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