1371539

Information

• Patent Grant
• 1371539

• References
• Source

• Patent Number

  1,371,539

• Date Filed

  Not available

• Date Issued

  Tuesday, March 15, 1921
  104 years ago

• CPC

  • B66C23/22 - Window cranes
  • B66C23/208 - with supporting couples provided from the side

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 254 - Implements or apparatus for applying pushing or pulling force