3744923

Information

• Patent Grant
• 3744923

• References
• Source

• Patent Number

  3,744,923

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1973
  51 years ago

• CPC

  • B43K5/1845 - opened by actuation of the writing point
  • B43K8/16 - with tubular writing-points comprising a movable cleaning element
  • B43K8/18 - Arrangements for feeding the ink to the writing-points
  • B43K23/12 - for pens

• US Classifications

  • 401 - Coating implements with material supply