1965749

Information

• Patent Grant
• 1965749

• References
• Source

• Patent Number

  1,965,749

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1934
  90 years ago

• CPC

  • F22B21/22 - built-up from water tubes of form other than straight or substantially straight

• US Classifications

  • 122 - Liquid heaters and vaporizers