1637680

Information

• Patent Grant
• 1637680

• References
• Source

• Patent Number

  1,637,680

• Date Filed

  Not available

• Date Issued

  Tuesday, August 2, 1927
  97 years ago

• CPC

  • F22B13/026 - the tubes being in substantially horizontal arrangement

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers