3190021

Information

• Patent Grant
• 3190021

• References
• Source

• Patent Number

  3,190,021

• Date Filed

  Not available

• Date Issued

  Tuesday, June 22, 1965
  59 years ago

• CPC

  • B42D19/00 - Movable-strip writing or reading apparatus
  • G09B1/24 - the elements being in flexible strip form

• US Classifications

  • 040 - Card, picture, or sign exhibiting