1704209

Information

• Patent Grant
• 1704209

• References
• Source

• Patent Number

  1,704,209

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1929
  95 years ago

• CPC

  • C10B21/14 - Devices for reversing the draught
  • Y10T137/8359 - Inspection means

• US Classifications

  • 251 - Valves and valve actuation
  • 137 - Fluid handling