722552

Information

• Patent Grant
• 722552

• References
• Source

• Patent Number

  722,552

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1903
  122 years ago

• CPC

  • B66C23/342 - with telescopic elements

• US Classifications

  • 212 - Traversing hoists
  • 169 - Fire extinguishers
  • 182 - Fire escape, ladder, or scaffold