3691663

Information

• Patent Grant
• 3691663

• References
• Source

• Patent Number

  3,691,663

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • A47F11/04 - Special arrangements of mirrors or the like
  • G09F13/14 - Arrangements of reflectors theron
  • G09F13/16 - Signs formed of or incorporating reflecting elements or surfaces
  • G09F2013/0422 - characterised by the presence of reflectors
  • G09F2013/145 - curved reflectors

• US Classifications

  • 040 - Card, picture, or sign exhibiting