3731396

Information

• Patent Grant
• 3731396

• References
• Source

• Patent Number

  3,731,396

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1973
  51 years ago

• CPC

  • A45D20/44 - Hair-drying helmets whereon the ventilating means and the heating means are apart from the helmet

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 248 - Supports