3799316

Information

• Patent Grant
• 3799316

• References
• Source

• Patent Number

  3,799,316

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • B41J19/62 - for back spacing
  • B41J29/36 - for cancelling or correcting errors by overprinting

• US Classifications

  • 400 - Typewriting machines