2652937

Information

• Patent Grant
• 2652937

• References
• Source

• Patent Number

  2,652,937

• Date Filed

  Not available

• Date Issued

  Tuesday, September 22, 1953
  71 years ago

• CPC

  • E06C7/484 - Supports specially adapted for use with a wall opening
  • E04F21/0023 - for mounting door leaves, window sashes or the like
  • E06C7/12 - Lifts or other hoisting devices on ladders
  • E06C7/48 - Ladder heads Supports for heads of ladders for resting against objects

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 254 - Implements or apparatus for applying pushing or pulling force
  • 294 - Handling: hand and hoist-line implements