2477392

Information

• Patent Grant
• 2477392

• References
• Source

• Patent Number

  2,477,392

• Date Filed

  Not available

• Date Issued

  Tuesday, July 26, 1949
  75 years ago

• CPC

  • G09F11/02 - the display elements being secured to rotating members
  • G06C5/02 - Housing Framworks

• US Classifications

  • 040 - Card, picture, or sign exhibiting
  • 116 - Signals and indicators
  • 235 - Registers