2505438

Information

• Patent Grant
• 2505438

• References
• Source

• Patent Number

  2,505,438

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1950
  75 years ago

• CPC

  • B43K21/04 - with the writing-cores brought into position by gravity
  • Y10T74/1527 - Screw and nut devices

• US Classifications

  • 401 - Coating implements with material supply
  • 074 - Machine element or mechanism