2247275

Information

• Patent Grant
• 2247275

• References
• Source

• Patent Number

  2,247,275

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1941
  83 years ago

• CPC

  • B41J23/22 - for key or like type selection
  • B41J5/38 - by strips or tapes

• US Classifications

  • 400 - Typewriting machines
  • 178 - Telegraphy