1976440

Information

• Patent Grant
• 1976440

• References
• Source

• Patent Number

  1,976,440

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1934
  90 years ago

• CPC

  • B41J15/20 - for webs superimposed during printing

• US Classifications

  • 400 - Typewriting machines