1251898

Information

• Patent Grant
• 1251898

• References
• Source

• Patent Number

  1,251,898

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1918
  107 years ago

• CPC

  • F28D11/04 - performed by a tube or a bundle of tubes
  • Y10S165/139 - Fully rotatable

• US Classifications

  • 165 - Heat exchange
  • 237 - Heating systems