Watering indicator for hanging plants

Details Watering indicator for hanging plants Watering indicator for hanging plants

1983-07-14

1984-06-19

Frankfort, Charles

Signals and indicators

Indicators

116212, 116215, 73 73, 47 67, 177 45, 177 50, 177233, G01N 502, G01L 1124, A01G 902, G01G 2320

Patent

active

044548311

ABSTRACT:
A watering indicator for hanging plants, with two support elements (e.g., an upper hook attached to a tubular housing and a lower hook integral with a rod extending into the housing), a spring resisting separation of the support elements (e.g., located within the housing and surrounding the rod), a mask element connected to one support element and adapted to be moved along that element when the two elements move relative to one another, an indicator element with an indication indicia (e.g., a brightly-colored band) mounted to the other support element, all adapted so that the indication indicia is covered by the mask element when the plant is watered and is later exposed when the plant dries out.

REFERENCES:
patent: 479718 (1892-07-01), Morgan et al.
patent: 3117442 (1964-01-01), Brooks
patent: 3260233 (1966-07-01), Bergunder
patent: 3967578 (1976-07-01), Gallo
patent: 4078625 (1978-03-01), Loeb
patent: 4238002 (1980-12-01), Hexamer

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