2419993

Information

• Patent Grant
• 2419993

• References
• Source

• Patent Number

  2,419,993

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1947
  78 years ago

• CPC

  • F04B9/1222 - the return stroke being obtained by an elastic fluid under pressure
  • F01L23/00 - Valves controlled by impact by piston
  • F01L25/08 - by electric or magnetic means
  • F04B43/0736 - with two or more pumping chambers in parallel

• US Classifications

  • 417 - Pumps