2575980

Information

• Patent Grant
• 2575980

• References
• Source

• Patent Number

  2,575,980

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1951
  74 years ago

• CPC

  • E21C35/19 - Means for fixing picks or holders
  • E21C2035/191 - for fixing holders
  • Y10T83/9336 - Arcuately movable

• US Classifications

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