1780538

Information

• Patent Grant
• 1780538

• References
• Source

• Patent Number

  1,780,538

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1930
  95 years ago

• CPC

  • F04F1/06 - the fluid medium acting on the surface of the liquid to be pumped
  • Y10T137/2544 - Supply and exhaust type
  • Y10T137/2978 - Gas pressure controlled by manual or cyclic means
  • Y10T137/86413 - Self-cycling

• US Classifications

  • 417 - Pumps
  • 137 - Fluid handling