3774231

Information

• Patent Grant
• 3774231

• References
• Source

• Patent Number

  3,774,231

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • B43K1/06 - Tubular writing-points

• US Classifications

  • 346 - Recorders
  • 401 - Coating implements with material supply