3923137

Information

• Patent Grant
• 3923137

• References
• Source

• Patent Number

  3,923,137

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • B41J5/34 - by strip or tapes
  • B41J29/42 - Scales and indicators

• US Classifications

  • 400 - Typewriting machines
  • 711 - Electrical computers and digital processing systems: memory