2801644

Information

• Patent Grant
• 2801644

• References
• Source

• Patent Number

  2,801,644

• Date Filed

  Not available

• Date Issued

  Tuesday, August 6, 1957
  67 years ago

• CPC

  • F04C27/02 - Liquid sealing for high-vacuum pumps or for compressors
  • Y10T137/7293 - Liquid excluding devices for gas inlet or outlets
  • Y10T137/7329 - With supplemental or safety closing means or bias
  • Y10T137/7436 - Float rigid with valve

• US Classifications

  • 137 - Fluid handling
  • 015 - Brushing, scrubbing, and general cleaning
  • 210 - Liquid purification or separation