2532228

Information

• Patent Grant
• 2532228

• References
• Source

• Patent Number

  2,532,228

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1950
  73 years ago

• CPC

  • B41J5/28 - Multiple-action keys
  • B41J5/08 - Character or syllable selected by means of keys or keyboards of the typewriter type
  • B41J5/10 - Arrangements of keyboards
  • B41J7/68 - with means for selectively closing an electric circuit for type presentation
  • Y10T409/303416 - Templet, tracer, or cutter

• US Classifications

  • 400 - Typewriting machines
  • 200 - Electricity: circuit makers and breakers
  • 235 - Registers
  • 409 - Gear cutting, milling, or planing