2218144

Information

• Patent Grant
• 2218144

• References
• Source

• Patent Number

  2,218,144

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1940
  84 years ago

• CPC

  • A63H33/3077 - Typewriters

• US Classifications

  • 101 - Printing
  • 400 - Typewriting machines