3819144

Information

• Patent Grant
• 3819144

• References
• Source

• Patent Number

  3,819,144

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • B25D17/32 - Trolleys
  • B25D17/28 - Supports Devices for holding power-driven percussive tools in working position

• US Classifications

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