1971202

Information

• Patent Grant
• 1971202

• References
• Source

• Patent Number

  1,971,202

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1934
  91 years ago

• CPC

  • B41J17/34 - Backings for impression-transfer material

• US Classifications

  • 400 - Typewriting machines
  • 462 - Books, strips, and leaves for manifolding