1818268

Information

• Patent Grant
• 1818268

• References
• Source

• Patent Number

  1,818,268

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1931
  93 years ago

• CPC

  • B60H1/00464 - The ventilator being of the axial type
  • Y10S165/098 - One shutter section having different flow area or flow direction with another shutter section

• US Classifications

  • 165 - Heat exchange
  • 237 - Heating systems