1920872

Information

• Patent Grant
• 1920872

• References
• Source

• Patent Number

  1,920,872

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • C10B21/14 - Devices for reversing the draught
  • Y10T137/5544 - Reversing valves - regenerative furnace type
  • Y10T137/86928 - Sequentially progressive opening or closing of plural valves

• US Classifications

  • 137 - Fluid handling