2873100

Information

• Patent Grant
• 2873100

• References
• Source

• Patent Number

  2,873,100

• Date Filed

  Not available

• Date Issued

  Tuesday, February 10, 1959
  66 years ago

• CPC

  • E21C27/06 - with a slewing frame

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 180 - Motor vehicles