2472648

Information

• Patent Grant
• 2472648

• References
• Source

• Patent Number

  2,472,648

• Date Filed

  Not available

• Date Issued

  Tuesday, June 7, 1949
  75 years ago

• CPC

  • F04D9/041 - the priming pump having evacuating action
  • F04D9/042 - and means for rendering its in operative
  • F04D9/046 - the means being floats
  • F04D15/0218 - the condition being a liquid level or a lack of liquid supply

• US Classifications

  • 417 - Pumps