1391889

Information

• Patent Grant
• 1391889

• References
• Source

• Patent Number

  1,391,889

• Date Filed

  Not available

• Date Issued

  Tuesday, September 27, 1921
  103 years ago

• CPC

  • E01H5/108 - Devices for melting snow or ice in situ and removing subsequently for the mud or melting water

• US Classifications

  • 037 - Excavating