3388857

Information

• Patent Grant
• 3388857

• References
• Source

• Patent Number

  3,388,857

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1968
  56 years ago

• CPC

  • H03M5/00 - Conversion of the form of the representation of individual digits
  • B41B25/00 - Apparatus specially adapted for preparation of record carriers for controlling composing machines
  • B41B27/04 - Keyboards

• US Classifications

  • 234 - Selective cutting