3650398

Information

• Patent Grant
• 3650398

• References
• Source

• Patent Number

  3,650,398

• Date Filed

  Not available

• Date Issued

  Tuesday, March 21, 1972
  52 years ago

• CPC

  • H03M11/00 - Coding in connection with keyboards or like devices
  • G06F3/0238 - Programmable keyboards
  • G06K1/06 - Manually-controlled device
  • G06K17/0003 - Automatic card files incorporating selecting, conveying and possibly reading and/or writing operations

• US Classifications

  • 209 - Classifying, separating, and assorting solids