2228540

Information

• Patent Grant
• 2228540

• References
• Source

• Patent Number

  2,228,540

• Date Filed

  Not available

• Date Issued

  Tuesday, January 14, 1941
  84 years ago

• CPC

  • B43K1/088 - with an intermediate element between the resilient supporting means and the ball
  • B43K7/02 - Ink reservoirs Ink cartridges

• US Classifications

  • 401 - Coating implements with material supply
  • 222 - Dispensing