3923405

Information

• Patent Grant
• 3923405

• References
• Source

• Patent Number

  3,923,405

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • B43K21/04 - with the writing-cores brought into position by gravity

• US Classifications

  • 401 - Coating implements with material supply