3219280

Information

• Patent Grant
• 3219280

• References
• Source

• Patent Number

  3,219,280

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1965
  59 years ago

• CPC

  • H05B6/00 - Heating by electric, magnetic, or electromagnetic fields
  • B02C19/18 - Use of auxiliary physical effects
  • E21B7/15 - of electrically generated heat
  • E21C27/20 - Mineral freed by means not involving slitting
  • E21C37/00 - Other methods or devices for dislodging with or without loading
  • E21C37/18 - by electricity
  • E21C37/20 - by ultrasonics

• US Classifications

  • 241 - Solid material comminution or disintegration
  • 125 - Stone working
  • 299 - Mining or in situ disintegration of hard material