2255030

Information

• Patent Grant
• 2255030

• References
• Source

• Patent Number

  2,255,030

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1941
  83 years ago

• CPC

  • B41J29/64 - by a function of the printer to lock the keyboard

• US Classifications

  • 400 - Typewriting machines
  • 178 - Telegraphy
  • 234 - Selective cutting
  • 235 - Registers