2711892

Information

• Patent Grant
• 2711892

• References
• Source

• Patent Number

  2,711,892

• Date Filed

  Not available

• Date Issued

  Tuesday, June 28, 1955
  69 years ago

• CPC

  • E21C35/183 - with inserts or layers of wear-resistant material
  • E21C2035/1816 - characterised by the shape
  • Y10T407/2262 - Tool gripped directly by set screw
  • Y10T407/227 - with separate means to fasten tool seat to holder
  • Y10T407/26 - comprising cutting edge bonded to tool shank
  • Y10T407/28 - Miscellaneous

• US Classifications

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