Patent ID: 6971196

Claim:
A message sign comprising: a first panel comprising a first plurality of ribs each defining an interior channel; a second panel comprising a second plurality of ribs each defining an interior channel, wherein each of said first and second panels comprise a base web, wherein said base webs of said first and second panels are connected, and wherein said first and second plurality of ribs extend outwardly from said base webs of said first and second panels respectively in opposite directions, said first and second panels oriented such that at least some of said channels of said first panel cross at least some of said channels of said second panel and form a plurality of junctures of crossing channels of said first and second panels, wherein said crossing channels of said first and second panels open into each other at at least one of said junctures of crossing channels so as to form a pocket between said crossing channels at said at least one juncture of crossing channels; and at least one lamp secured through an opening in at least one of said first plurality of ribs at said at least one juncture of crossing channels forming said pocket.