1556439

Information

• Patent Grant
• 1556439

• References
• Source

• Patent Number

  1,556,439

• Date Filed

  Not available

• Date Issued

  Tuesday, October 6, 1925
  100 years ago

• CPC

  • B25D9/125 - driven directly by liquid pressure working with pulses

• US Classifications

  • 060 - Power plants