1778983

Information

• Patent Grant
• 1778983

• References
• Source

• Patent Number

  1,778,983

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1930
  94 years ago

• CPC

  • F23L17/00 - Inducing draught
  • F23L2700/002 - Specific draught control devices for locomotives

• US Classifications

  • 122 - Liquid heaters and vaporizers