Rotatable display element for changeable message sign
FIG. 1 is a perspective view of a rotatable display element for changeable message sign, showing my new design;
FIG. 2 is an end elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a perspective view of one side panel of the rotatable display element;
FIG. 7 is an end elevational view thereof;
FIG. 8 is a bottom plan view thereof;
FIG. 9 is a side elevational view thereof;
FIG. 10 is a top plan view thereof;
FIG. 11 is a perspective view of the interior core element of the rotatable display element;
FIG. 12 is an end elevational view thereof;
FIG. 13 is a top plan view thereof;
FIG. 14 is a side elevational view thereof;
FIG. 15 is a bottom plan view thereof;
FIG. 16 is a perspective view of the side panel carrier element;
FIG. 17 is a bottom plan view thereof;
FIG. 18 is an end elevational view thereof;
FIG. 19 is a side elevational view thereof;
FIG. 20 is a top plan view thereof.
3199239 | August 1965 | Reed |
3367049 | February 1968 | Noreen |
3383785 | May 1968 | Werner |
3387394 | June 1968 | Werner |
4189859 | February 26, 1980 | Ahlgren |
Type: Grant
Filed: Jul 19, 1983
Date of Patent: Nov 12, 1985
Inventor: Stig B. Ahlgren (Malmo)
Primary Examiner: Catherine E. Kemper
Application Number: 6/515,160