3355215

Information

• Patent Grant
• 3355215

• References
• Source

• Patent Number

  3,355,215

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1967
  57 years ago

• CPC

  • E21D9/104 - Cutting tool fixtures
  • E21D9/111 - by means of heads or tool-carrying sectors implementing an oscillating rotary motion

• US Classifications

  • 299 - Mining or in situ disintegration of hard material