Low water level alarm for Christmas tree stand

Details Low water level alarm for Christmas tree stand Low water level alarm for Christmas tree stand

1987-01-20

1989-01-03

Ruehl, Charles A.

Communications: electrical

Condition responsive indicating system

Specific condition

73304C, 324 61P, G08B 2100

Patent

active

047960175

ABSTRACT:
A resistive water probe is used in combination with a Christmas tree stand to detect a low water level. A low water situation activates lights in a Christmas tree ornament.

REFERENCES:
patent: 2938304 (1960-05-01), Thomas
patent: 3498131 (1970-03-01), Rickey
patent: 3781840 (1973-12-01), Roberts
patent: 4075614 (1978-02-01), White

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