2000138

Information

• Patent Grant
• 2000138

• References
• Source

• Patent Number

  2,000,138

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1935
  89 years ago

• CPC

  • F22B17/02 - built-up from water-tube sets in abutting connection with two header boxes in common for all sets

• US Classifications

  • 122 - Liquid heaters and vaporizers