1146020

Information

• Patent Grant
• 1146020

• References
• Source

• Patent Number

  1,146,020

• Date Filed

  Not available

• Date Issued

  Tuesday, July 13, 1915
  109 years ago

• CPC

  • F25J3/04 - for air
  • Y10S62/907 - Insulation

• US Classifications

  • 062 - Refrigeration