858199

Information

• Patent Grant
• 858199

• References
• Source

• Patent Number

  858,199

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1907
  117 years ago

• CPC

  • E06C7/08 - Special construction of longitudinal members, or rungs or other treads
  • E04F11/0201 - Space-saving stairways

• US Classifications

  • 182 - Fire escape, ladder, or scaffold