3228509

Information

• Patent Grant
• 3228509

• References
• Source

• Patent Number

  3,228,509

• Date Filed

  Not available

• Date Issued

  Tuesday, January 11, 1966
  59 years ago

• CPC

  • H04L17/28 - using pneumatic or hydraulic translation

• US Classifications

  • 400 - Typewriting machines
  • 234 - Selective cutting