3246930

Information

• Patent Grant
• 3246930

• References
• Source

• Patent Number

  3,246,930

• Date Filed

  Not available

• Date Issued

  Tuesday, April 19, 1966
  58 years ago

• CPC

  • E21C35/19 - Means for fixing picks or holders
  • E21C35/1936 - the picks having a square- or rectangular-section shank
  • Y10T279/17786 - Spring

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 037 - Excavating
  • 279 - Chucks or sockets