1669175

Information

• Patent Grant
• 1669175

• References
• Source

• Patent Number

  1,669,175

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1928
  97 years ago

• CPC

  • F23H1/04 - having a variable burning surface

• US Classifications

  • 110 - Furnaces
  • 126 - Stoves and furnaces