3791699

Information

• Patent Grant
• 3791699

• References
• Source

• Patent Number

  3,791,699

• Date Filed

  Not available

• Date Issued

  Tuesday, February 12, 1974
  51 years ago

• CPC

  • E01C11/24 - Methods or arrangements for preventing slipperiness or protecting against influences of the weather
  • E01C23/0855 - moved rectilinearly

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 173 - Tool driving or impacting