Display device

Details Display device Display device

1977-10-12

1980-05-06

Caldwell, Sr., John W.

Communications: electrical

Selective

Having indication or alarm

340 87, 340114R, 340114B, 116 63R, 116 63C, 116 63T, 40606, 248158, 2481887, 248519, B60Q 700, E01F 900, E01F 901

Patent

active

042019753

ABSTRACT:
A highly visible display device has a base, a staff supported by the base, and a battery-operated signal device located at the top of the staff. A plurality of support poles are interconnected to form the staff, thereby enabling the display device to be erected and subsequently disassembled quickly and easily. A ballast bag is adapted to fit over the base in order to maintain the display device in place, for example against the action of high-speed vehicular traffic passing by the device. A flag may be secured to the staff to further enhance the visibility of the display device.

REFERENCES:
patent: 1843956 (1932-02-01), Otte
patent: 2885539 (1959-05-01), McDermott
patent: 3135235 (1964-06-01), Romano
patent: 3862410 (1975-01-01), Maxwell
patent: 4019271 (1977-04-01), Latimer
patent: 4050401 (1977-09-01), Kelly
patent: 4090465 (1978-05-01), Bell
patent: 4117455 (1978-09-01), Cervantes

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