1920885

Information

• Patent Grant
• 1920885

• References
• Source

• Patent Number

  1,920,885

• Date Filed

  Not available

• Date Issued

  Tuesday, August 1, 1933
  91 years ago

• CPC

  • F28D17/02 - using rigid bodies
  • Y10S165/032 - having gas supply or exhaust manifold structure

• US Classifications

  • 165 - Heat exchange
  • 432 - Heating