3522839

Information

• Patent Grant
• 3522839

• References
• Source

• Patent Number

  3,522,839

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • B60H1/00414 - for military, emergency, safety or security vehicles
  • B60H1/00378 - for tractor or load vehicle cabins
  • B60H3/0608 - Filter arrangements in the air stream
  • B60H2003/0666 - the filter element having non-rectangular shape

• US Classifications

  • 165 - Heat exchange
  • 055 - Gas separation
  • 062 - Refrigeration
  • 454 - Ventilation