3522672

Information

• Patent Grant
• 3522672

• References
• Source

• Patent Number

  3,522,672

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • G09B29/06 - of belt form
  • G09F11/29 - of a band other than endless

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 359 - Optical: systems and elements