2990818

Information

• Patent Grant
• 2990818

• References
• Source

• Patent Number

  2,990,818

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1961
  63 years ago

• CPC

  • F22B37/365 - Casings of metal sheets

• US Classifications

  • 122 - Liquid heaters and vaporizers