1810522

Information

• Patent Grant
• 1810522

• References
• Source

• Patent Number

  1,810,522

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1931
  93 years ago

• CPC

  • B41J19/74 - with special means to maintain character-spacing or back- spacing elements in engagement during case-shift or like movement

• US Classifications

  • 400 - Typewriting machines