479257

Information

• Patent Grant
• 479257

• References
• Source

• Patent Number

  479,257

• Date Filed

  Not available

• Date Issued

  Tuesday, July 19, 1892
  132 years ago

• CPC

  • E06C5/28 - of the lazy-tongs type

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 242 - Winding, tensioning, or guiding