3809351

Information

• Patent Grant
• 3809351

• References
• Source

• Patent Number

  3,809,351

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  51 years ago

• CPC

  • E06C7/146 - made from wire

• US Classifications

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