2001721

Information

• Patent Grant
• 2001721

• References
• Source

• Patent Number

  2,001,721

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1935
  89 years ago

• CPC

  • F24H1/30 - the water mantle being built up from sections

• US Classifications

  • 122 - Liquid heaters and vaporizers