3250401

Information

• Patent Grant
• 3250401

• References
• Source

• Patent Number

  3,250,401

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1966
  58 years ago

• CPC

  • E04H12/34 - Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
  • B66C23/286 - with locking devices
  • Y10T403/7045 - Interdigitated ends
  • Y10T403/7123 - Traversed by connector

• US Classifications

  • 212 - Traversing hoists
  • 052 - Static structures
  • 182 - Fire escape, ladder, or scaffold
  • 285 - Pipe joints or couplings
  • 403 - Joints and connections