2521089

Information

• Patent Grant
• 2521089

• References
• Source

• Patent Number

  2,521,089

• Date Filed

  Not available

• Date Issued

  Tuesday, September 5, 1950
  74 years ago

• CPC

  • E21C35/18 - Mining picks Holders therefor
  • E21C35/183 - with inserts or layers of wear-resistant material
  • E21C2035/1809 - Multiple inserts
  • Y10T409/403325 - Orbital carrier for cutter

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 409 - Gear cutting, milling, or planing
  • D15 - Machines not elsewhere specified