2504076

Information

• Patent Grant
• 2504076

• References
• Source

• Patent Number

  2,504,076

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1950
  74 years ago

• CPC

  • B43K29/12 - with memorandum appliances
  • Y10S40/905 - Pen and pencil

• US Classifications

  • 040 - Card, picture, or sign exhibiting