2490476

Information

• Patent Grant
• 2490476

• References
• Source

• Patent Number

  2,490,476

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1949
  75 years ago

• CPC

  • H04L13/186 - Page printing; tabulating

• US Classifications

  • 178 - Telegraphy
  • 400 - Typewriting machines