3734640

Information

• Patent Grant
• 3734640

• References
• Source

• Patent Number

  3,734,640

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1973
  51 years ago

• CPC

  • F04D17/168 - Pumps specially adapted to produce a vacuum
  • F04D29/2238 - Special flow patterns

• US Classifications

  • 415 - Rotary kinetic fluid motors or pumps
  • 416 - Fluid reaction surfaces