1940715

Information

• Patent Grant
• 1940715

• References
• Source

• Patent Number

  1,940,715

• Date Filed

  Not available

• Date Issued

  Tuesday, December 26, 1933
  91 years ago

• CPC

  • F22G7/065 - for locomotive boilers

• US Classifications

  • 122 - Liquid heaters and vaporizers