3438477

Information

• Patent Grant
• 3438477

• References
• Source

• Patent Number

  3,438,477

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1969
  55 years ago

• CPC

  • B41J11/24 - Detents, brakes, or couplings for feed rollers or platens
  • B41J19/80 - Pawl-and-ratchet mechanisms

• US Classifications

  • 400 - Typewriting machines