3343275

Information

• Patent Grant
• 3343275

• References
• Source

• Patent Number

  3,343,275

• Date Filed

  Not available

• Date Issued

  Tuesday, September 26, 1967
  57 years ago

• CPC

  • A45D20/22 - Helmets with hot air supply or ventilating means
  • A45D20/32 - Supporting or fastening of the helmets

• US Classifications

  • 034 - Drying and gas or vapor contact with solids