3482878

Information

• Patent Grant
• 3482878

• References
• Source

• Patent Number

  3,482,878

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1969
  55 years ago

• CPC

  • E21D23/0409 - Aligning or guiding means for the supports or for the constitutive parts of the supports
  • E21C35/14 - Equipment for pressing the conveyor towards the working face
  • E21D23/085 - acting on a conveyor or a guide for the mining machine

• US Classifications

  • 299 - Mining or in situ disintegration of hard material
  • 405 - Hydraulic and earth engineering