3603100

Information

• Patent Grant
• 3603100

• References
• Source

• Patent Number

  3,603,100

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1971
  53 years ago

• CPC

  • E21D9/1093 - Devices for supporting, advancing or orientating the machine or the tool-carrier
  • E21D9/106 - with percussive tools
  • E21D9/115 - with cutting tools mounted pivotably or slidable on the head

• US Classifications

  • 405 - Hydraulic and earth engineering
  • 299 - Mining or in situ disintegration of hard material