2166591

Information

• Patent Grant
• 2166591

• References
• Source

• Patent Number

  2,166,591

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1939
  85 years ago

• CPC

  • B08B15/00 - Preventing escape of dirt or fumes from the area where they are produced Collecting or removing dirt or fumes from that area
  • Y10T137/6881 - Automotive
  • Y10T137/6969 - Buildings
  • Y10T137/6973 - Outside access to portions of the system
  • Y10T137/86268 - With running joint between movable parts of system

• US Classifications

  • 137 - Fluid handling
  • 055 - Gas separation
  • 060 - Power plants
  • 180 - Motor vehicles
  • 251 - Valves and valve actuation