Card – picture – or sign exhibiting – Display card – Having a curved display panel
Patent
1975-05-19
1976-10-19
Pitrelli, John F.
Card, picture, or sign exhibiting
Display card
Having a curved display panel
40125N, 340109, G09F 2104
Patent
active
RE0290068
ABSTRACT:
A portable display device having a base comprising running gear which includes a plurality of wheels and a pulling tongue wherein the wheels may be detachably secured to the base such that the base may be permanently affixed to a given location. A sign is reciprocally mounted on the base by means of a supporting frame such that the sign may be raised or lowered to any desired position through the operation of a lifting mechanism in the form of a power or manually operated winch connected to the sign by a pulley and cable arrangement. Lights may be arranged on both the interior and exterior of the sign and operated by a power supply, in the form of a battery or generator which also may be carried on the base of the sign.
REFERENCES:
patent: 549630 (1895-11-01), Cole
patent: 2591494 (1952-04-01), Asachika
patent: 3512288 (1970-05-01), Hall
patent: 3609898 (1971-10-01), Brown
patent: 3622980 (1971-11-01), Elledge
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