1904503

Information

• Patent Grant
• 1904503

• References
• Source

• Patent Number

  1,904,503

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1933
  91 years ago

• CPC

  • F23H11/10 - with special provision for supply of air from below and for regulating air supply

• US Classifications

  • 110 - Furnaces