3301602

Information

• Patent Grant
• 3301602

• References
• Source

• Patent Number

  3,301,602

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1967
  57 years ago

• CPC

  • E21C47/02 - for coal, brown coal, or the like

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 104 - Railways
  • 198 - Conveyors: power-driven