1643649

Information

• Patent Grant
• 1643649

• References
• Source

• Patent Number

  1,643,649

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1927
  97 years ago

• CPC

  • E06C7/083 - Bracket type connection
  • E06C7/088 - with tie rods parallel to the rungs
  • Y10T403/33 - Transverse rod to spaced plate surfaces
  • Y10T403/3981 - Intermediate member secured to side by radial flange

• US Classifications

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