2580045

Information

• Patent Grant
• 2580045

• References
• Source

• Patent Number

  2,580,045

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1951
  73 years ago

• CPC

  • E06C1/39 - Ladders having platforms Ladders changeable into platforms
  • E06C1/20 - with supporting struts formed as poles
  • E06C7/08 - Special construction of longitudinal members, or rungs or other treads
  • Y10T403/32278 - Members rotatable about oblique axes
  • Y10T403/32336 - Engaging notch or recess in outer periphery of component
  • Y10T403/32942 - On oblique interface

• US Classifications

  • 182 - Fire escape, ladder, or scaffold
  • 248 - Supports
  • 403 - Joints and connections