1751136

Information

• Patent Grant
• 1751136

• References
• Source

• Patent Number

  1,751,136

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1930
  94 years ago

• CPC

  • C21B9/14 - Preheating the combustion air
  • C21B9/10 - Other details

• US Classifications

  • 432 - Heating