531091

Information

• Patent Grant
• 531091

• References
• Source

• Patent Number

  531,091

• Date Filed

  Not available

• Date Issued

  Tuesday, December 18, 1894
  130 years ago

• CPC

  • E06C9/085 - ladders unfolded in the direction of the longitudinal members
  • A62C31/24 - attached to ladders, poles, towers, or other structures with or without rotary heads
  • Y10S187/901 - Control modified for use by disabled individual

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 052 - Static structures
  • 169 - Fire extinguishers
  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle