G - Physics – 09 – F
Patent
G - Physics
09
F
40/40
G09F 11/00 (2006.01) G09F 7/00 (2006.01)
Patent
CA 1277140
-Abstract- Compact Alternative Message Sign A compact sign is disclosed in which alternative messages are displayed, such as "OPEN" or "CLOSED". The signs use certain of the letters in each of the messages, for example "O" and "E" in the OPEN-CLOSED embodiment. The signs have three panels: a front panel with an aperture through which the other two panels may be viewed; a middle panel having one or more one space apertures through which information on the back panel may be viewed, as well as either blank spaces or information in other spaces; and a back panel with either blank spaces or information. The middle panel slides one space to reveal the alternate message.
518909
Howard John
Smart & Biggar
LandOfFree
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