1531720

Information

• Patent Grant
• 1531720

• References
• Source

• Patent Number

  1,531,720

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1925
  99 years ago

• CPC

  • F22G7/145 - of inclined type

• US Classifications

  • 122 - Liquid heaters and vaporizers