3798599

Information

• Patent Grant
• 3798599

• References
• Source

• Patent Number

  3,798,599

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  51 years ago

• CPC

  • G09B21/00 - Teaching, or communicating with, the blind, deaf or mute
  • A61F4/00 - Methods or devices enabling invalids to operate an apparatus or a device not forming part of the body
  • B41J7/005 - Type-selecting actions or mechanisms by unusual means

• US Classifications

  • 341 - Coded data generation or conversion