1347046

Information

• Patent Grant
• 1347046

• References
• Source

• Patent Number

  1,347,046

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1920
  105 years ago

• CPC

  • A42B1/10 - Miners' caps
  • A42B3/28 - Ventilating arrangements
  • A42C5/04 - Ventilating arrangements for head coverings

• US Classifications

  • 002 - Apparel