3888544

Information

• Patent Grant
• 3888544

• References
• Source

• Patent Number

  3,888,544

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  49 years ago

• CPC

  • E01H5/12 - Apparatus or implements specially adapted for breaking, disintegrating, or loosening layers of ice or hard snow with or without clearing or removing ; Roughening ice or hard snow by means of tools
  • E01H5/094 - about vertical or substantially vertical axises

• US Classifications

  • 172 - Earth working
  • 037 - Excavating
  • 299 - Mining or in situ disintegration of hard material