1840963

Information

• Patent Grant
• 1840963

• References
• Source

• Patent Number

  1,840,963

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1932
  93 years ago

• CPC

  • A45D20/32 - Supporting or fastening of the helmets

• US Classifications

  • 034 - Drying and gas or vapor contact with solids