1919335

Information

• Patent Grant
• 1919335

• References
• Source

• Patent Number

  1,919,335

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1933
  91 years ago

• CPC

  • F22B37/143 - Panel shaped heating surfaces built up from tubes

• US Classifications

  • 122 - Liquid heaters and vaporizers