3552048

Information

• Patent Grant
• 3552048

• References
• Source

• Patent Number

  3,552,048

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1971
  54 years ago

• CPC

  • G09F9/377 - the positions of the elements being controlled by pneumatic means

• US Classifications

  • 040 - Card, picture, or sign exhibiting