2690904

Information

• Patent Grant
• 2690904

• References
• Source

• Patent Number

  2,690,904

• Date Filed

  Not available

• Date Issued

  Tuesday, October 5, 1954
  70 years ago

• CPC

  • E21C35/18 - Mining picks Holders therefor
  • Y10T83/9333 - Transversely movable
  • Y10T83/936 - Series of allochiral teeth

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 083 - Cutting