2222824

Information

• Patent Grant
• 2222824

• References
• Source

• Patent Number

  2,222,824

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • B43K21/045 - with writing-cores automatically replaced from magazines
  • B43K8/22 - with electrically or magnetically activated writing-points
  • B43K21/20 - with writing-cores automatically replaced from magazines
  • Y10T74/1558 - Grip units and features

• US Classifications

  • 401 - Coating implements with material supply
  • 074 - Machine element or mechanism
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets