2348109

Information

• Patent Grant
• 2348109

• References
• Source

• Patent Number

  2,348,109

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1944
  80 years ago

• CPC

  • F04B11/0025 - the spring fluid being in direct contact with the pumped fluid
  • F04B9/14 - Pumps characterised by muscle-power operation
  • F04B53/1057 - the valve being a tube

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices