2200831

Information

• Patent Grant
• 2200831

• References
• Source

• Patent Number

  2,200,831

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1940
  84 years ago

• CPC

  • B65G33/38 - for effecting simultaneous rotation and reciprocation of screw

• US Classifications

  • 198 - Conveyors: power-driven
  • 110 - Furnaces
  • 414 - Material or article handling