2209987

Information

• Patent Grant
• 2209987

• References
• Source

• Patent Number

  2,209,987

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1940
  84 years ago

• CPC

  • F03B15/12 - with retroactive action
  • G05D7/03 - with auxiliary non-electric power
  • Y02E10/226 - Other parts or details
  • Y10T137/1171 - With fluid servo-motor
  • Y10T137/7323 - By float
  • Y10T137/7326 - Low level safety cut-off

• US Classifications

  • 137 - Fluid handling
  • 294 - Handling: hand and hoist-line implements