Signals and indicators – Indicators – Liquid level
Reexamination Certificate
2008-07-22
2008-07-22
Lee, Benjamin C. (Department: 2612)
Signals and indicators
Indicators
Liquid level
C340S612000, C340S623000, C073S309000
Reexamination Certificate
active
07401571
ABSTRACT:
A gutter system includes an indicator for indicating that the gutter system is clogged or partially clogged. The indicator includes a floating device such as a ball. There is provided a retainer that retains the ball within the gutter system and in the vicinity of a downspout and downspout opening that forms a part of a gutter system. The retainer comprises a housing of an open construction and includes a bottom, sidewall structure and a top portion. Since the housing is an open construction, water passing through the gutter can normally flow through the housing. When the gutter system is clear and does not have any substantial obstructions, it follows that the water accumulation within the gutter will be relatively small. However, when the gutter system is clogged or partially clogged, then there will be some accumulation of water in the gutter system. When there is accumulation of water, the floating device will float to an upper elevated position where the same can be seen from ground level. This indicates a clogged or partially clogged gutter system.
REFERENCES:
patent: 3483656 (1969-12-01), Baumann
patent: 3918034 (1975-11-01), Orth, Jr.
patent: 3926143 (1975-12-01), Hothan
patent: 3988857 (1976-11-01), Baumann
patent: 5550532 (1996-08-01), Marshall
patent: 6273021 (2001-08-01), Pembroke
patent: 6786091 (2004-09-01), Aleali
patent: 6804911 (2004-10-01), Henke
Coats & Bennett P.L.L.C.
Lee Benjamin C.
Tang Son
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