3204933

Information

• Patent Grant
• 3204933

• References
• Source

• Patent Number

  3,204,933

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1965
  59 years ago

• CPC

  • E21D11/40 - Devices or apparatus specially adapted for handling or placing units of linings or supporting units for tunnels or galleries
  • E21D11/03 - using timber- setting machines

• US Classifications

  • 254 - Implements or apparatus for applying pushing or pulling force