2800139

Information

• Patent Grant
• 2800139

• References
• Source

• Patent Number

  2,800,139

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1957
  67 years ago

• CPC

  • E03C1/295 - using air-supply valves
  • Y10T137/3258 - Automatic valve in vent line
  • Y10T137/7842 - Diverse types
  • Y10T137/7843 - Integral resilient member forms plural valves

• US Classifications

  • 137 - Fluid handling