3838430

Information

• Patent Grant
• 3838430

• References
• Source

• Patent Number

  3,838,430

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • G01D15/20 - Recording elements for printing with ink or for printing by deformation or perforation of the recording surface

• US Classifications

  • 346 - Recorders
  • 400 - Typewriting machines