1508254

Information

• Patent Grant
• 1508254

• References
• Source

• Patent Number

  1,508,254

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1924
  100 years ago

• CPC

  • F22D3/10 - Control devices

• US Classifications

  • 073 - Measuring and testing
  • 122 - Liquid heaters and vaporizers