2009509

Information

• Patent Grant
• 2009509

• References
• Source

• Patent Number

  2,009,509

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1935
  89 years ago

• CPC

  • G09F11/232 - Disc card or folded disc shaped card information display devices
  • G06C15/42 - Devices for resetting to zero or other datum
  • G09F11/23 - the advertising or display material forming part of rotating members

• US Classifications

  • 040 - Card, picture, or sign exhibiting