3191740

Information

• Patent Grant
• 3191740

• References
• Source

• Patent Number

  3,191,740

• Date Filed

  Not available

• Date Issued

  Tuesday, June 29, 1965
  59 years ago

• CPC

  • B41J5/22 - Interlocks between keys
  • B41J7/44 - with impact

• US Classifications

  • 400 - Typewriting machines