2249948

Information

• Patent Grant
• 2249948

• References
• Source

• Patent Number

  2,249,948

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1941
  83 years ago

• CPC

  • B64D33/12 - of retractable type
  • B64D2700/62973 - Heating and cooling devices

• US Classifications

  • 244 - Aeronautics and astronautics
  • 165 - Heat exchange