3902450

Information

• Patent Grant
• 3902450

• References
• Source

• Patent Number

  3,902,450

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • G09F7/10 - and slideably mounted
  • G09F7/00 - Signs, name or number plates, letters, numerals, or symbols Panels or boards
  • Y10S116/03 - Shiftable indicia
  • Y10S116/23 - Movable index

• US Classifications

  • 116 - Signals and indicators
  • 434 - Education and demonstration