2159979

Information

• Patent Grant
• 2159979

• References
• Source

• Patent Number

  2,159,979

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1939
  85 years ago

• CPC

  • F16K17/168 - combined with manually-controlled valves
  • Y10S60/913 - Collection of reggio patents
  • Y10T137/7876 - With external means for opposing bias
  • Y10T137/7934 - Spring abuts removable valve stem guide

• US Classifications

  • 137 - Fluid handling
  • 060 - Power plants
  • 092 - Expansible chamber devices
  • 251 - Valves and valve actuation