3826335

Information

• Patent Grant
• 3826335

• References
• Source

• Patent Number

  3,826,335

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1974
  50 years ago

• CPC

  • E21B19/00 - Handling rods, casings, tubes or the like outside the borehole
  • B66B9/06 - inclined
  • B66C21/02 - with cable-ways supported on framework swingably connected to groundengaging elements

• US Classifications

  • 182 - Fire escape, ladder, or scaffold