3798816

Information

• Patent Grant
• 3798816

• References
• Source

• Patent Number

  3,798,816

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • G09F17/00 - Flags Banners Mountings therefor
  • F04D25/08 - the working fluid being air
  • G09F2017/0016 - using ventilators

• US Classifications

  • 040 - Card, picture, or sign exhibiting