2743917

Information

• Patent Grant
• 2743917

• References
• Source

• Patent Number

  2,743,917

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1956
  68 years ago

• CPC

  • E21C35/1936 - the picks having a square- or rectangular-section shank
  • Y10T407/2238 - by adjustable or replaceable stop
  • Y10T407/2262 - Tool gripped directly by set screw

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 407 - Cutters, for shaping