2417474

Information

• Patent Grant
• 2417474

• References
• Source

• Patent Number

  2,417,474

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1947
  77 years ago

• CPC

  • F02M41/12 - the pistons rotating to act as the distributor
  • F02M59/18 - characterised by the pumping action being achieved through release of pre-compressed springs

• US Classifications

  • 417 - Pumps
  • 092 - Expansible chamber devices