1397282

Information

• Patent Grant
• 1397282

• References
• Source

• Patent Number

  1,397,282

• Date Filed

  Not available

• Date Issued

  Tuesday, November 15, 1921
  103 years ago

• CPC

  • F24H1/0054 - Gas- or oil-fired immersion heaters for open containers or ponds
  • Y10S165/407 - internal casing or tube sleeve
  • Y10T24/4709 - Bendable sheet material

• US Classifications

  • 165 - Heat exchange
  • 024 - Buckles, buttons, clasps, etc.