3453057

Information

• Patent Grant
• 3453057

• References
• Source

• Patent Number

  3,453,057

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1969
  55 years ago

• CPC

  • B43K5/16 - with retractable nibs
  • B43K5/06 - with movable pistons for withdrawing ink from an ink-receptacle

• US Classifications

  • 401 - Coating implements with material supply