1975508

Information

• Patent Grant
• 1975508

• References
• Source

• Patent Number

  1,975,508

• Date Filed

  Not available

• Date Issued

  Tuesday, October 2, 1934
  90 years ago

• CPC

  • F22G7/145 - of inclined type

• US Classifications

  • 122 - Liquid heaters and vaporizers