3381590

Information

• Patent Grant
• 3381590

• References
• Source

• Patent Number

  3,381,590

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1968
  56 years ago

• CPC

  • E21C35/14 - Equipment for pressing the conveyor towards the working face
  • E21D23/08 - Advancing mechanisms
  • E21F13/086 - Armoured conveyors shifting devices
  • F15B15/1457 - Piston rods
  • F15B15/149 - Fluid interconnections

• US Classifications

  • 092 - Expansible chamber devices