Merchandise display and categorical indicators

Communications: electrical – Systems – Call station

Patent

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Details

340286M, 116279, 40573, G08B 500

Patent

active

042348692

ABSTRACT:
An indicator system for a merchandise display rack indicates a related article as a signal is energized indicating the position of the merchandise on the rack. The signal is timed. Other signals give different indications in the same way and cancel prior indications not appropriate to the current signals indicated.

REFERENCES:
patent: 1219230 (1917-03-01), Blackmore
patent: 2159925 (1939-05-01), Wood
patent: 2204315 (1940-06-01), Levin
patent: 2455210 (1948-11-01), Anderson
patent: 2542890 (1951-02-01), Basu
patent: 3292489 (1966-12-01), Johanson
patent: 3573792 (1971-04-01), Reed

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