2151440

Information

• Patent Grant
• 2151440

• References
• Source

• Patent Number

  2,151,440

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1939
  85 years ago

• CPC

  • B43M99/003 - with only one penholder

• US Classifications

  • 211 - Supports: racks
  • D19 - Office supplies