2217169

Information

• Patent Grant
• 2217169

• References
• Source

• Patent Number

  2,217,169

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1940
  84 years ago

• CPC

  • C01B31/22 - Solidifying
  • Y10S62/911 - Portable
  • Y10T137/7036 - Jacketed
  • Y10T137/7039 - Tank supports
  • Y10T137/7927 - Ball valves

• US Classifications

  • 062 - Refrigeration
  • 137 - Fluid handling
  • 251 - Valves and valve actuation