1475994

Information

• Patent Grant
• 1475994

• References
• Source

• Patent Number

  1,475,994

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1923
  101 years ago

• CPC

  • F04D9/041 - the priming pump having evacuating action
  • F04D9/042 - and means for rendering its in operative
  • F04D9/048 - the means being outlet pressure sensors

• US Classifications

  • 417 - Pumps