1953302

Information

• Patent Grant
• 1953302

• References
• Source

• Patent Number

  1,953,302

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1934
  90 years ago

• CPC

  • F28D21/0008 - Air heaters
  • Y10S165/439 - Serially connected conduit assemblies
  • Y10T137/1116 - Periodically actuated valve

• US Classifications

  • 165 - Heat exchange
  • 122 - Liquid heaters and vaporizers
  • 126 - Stoves and furnaces
  • 137 - Fluid handling
  • 237 - Heating systems