Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Reexamination Certificate
2011-03-22
2011-03-22
Miller, Bena (Department: 3725)
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
C241S282200, C052S016000
Reexamination Certificate
active
07909274
ABSTRACT:
A device for reducing clogging of a gutter comprises a housing which fits in a gutter over the downspout. The device contains a motor-driven grinder mechanism which grinds up waterborne leaves and other debris passing through the housing, preferably as they exit through the outlet of the housing to the downspout. Preferably, the device also includes a plunger mechanism which helps push water and debris in the housing through the grinder mechanism. Also, preferable the device includes a water sensor and a debris sensor for operating the motor only when both water and debris are present.
REFERENCES:
patent: 2753121 (1956-07-01), Elfenbein
patent: 3459247 (1969-08-01), Goodman
patent: 3638369 (1972-02-01), Albrecht
patent: 4029262 (1977-06-01), Lazich et al.
patent: 4052009 (1977-10-01), Penque
patent: 7568640 (2009-08-01), Rademacher
Miller Bena
Skadden, Arps Slate Meagher & Flom LLP
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