3835551

Information

• Patent Grant
• 3835551

• References
• Source

• Patent Number

  3,835,551

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1974
  50 years ago

• CPC

  • A45D20/26 - Guiding the air Regulating the air quantity
  • A45D20/22 - Helmets with hot air supply or ventilating means

• US Classifications

  • 034 - Drying and gas or vapor contact with solids