3633550

Information

• Patent Grant
• 3633550

• References
• Source

• Patent Number

  3,633,550

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1972
  53 years ago

• CPC

  • F22B21/065 - involving an upper and lower drum of annular shape
  • F22B21/24 - bent in serpentine or sinuous form

• US Classifications

  • 122 - Liquid heaters and vaporizers