1661543

Information

• Patent Grant
• 1661543

• References
• Source

• Patent Number

  1,661,543

• Date Filed

  Not available

• Date Issued

  Tuesday, March 6, 1928
  97 years ago

• CPC

  • F22B27/06 - bent in serpentine or sinuous form

• US Classifications

  • 122 - Liquid heaters and vaporizers
  • 431 - Combustion