2140306

Information

• Patent Grant
• 2140306

• References
• Source

• Patent Number

  2,140,306

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1938
  86 years ago

• CPC

  • F04F5/50 - of compressing pumps

• US Classifications

  • 062 - Refrigeration
  • 417 - Pumps