Coating implements with material supply – Including means for dispensing material directly to work... – Blade-like or pad-like tool
Reexamination Certificate
2007-06-19
2007-06-19
Walczak, David J. (Department: 3751)
Coating implements with material supply
Including means for dispensing material directly to work...
Blade-like or pad-like tool
C401S137000, C401S048000
Reexamination Certificate
active
10794429
ABSTRACT:
The present invention includes a system for applying floor finish. The system can include a back or other pack configured to hold one or more containers of liquid floor finish, a wand applicator, and metering valve. The wand applicator can include handle and conduit. The conduit can provide fluid communication of floor finish from the container to a floor. The metering valve can be configured to controllably provide fluid communication of floor finish through the conduit and to release floor finish onto the floor. In an embodiment the system also includes a cleanout coupler. In an embodiment the system also includes a filter configured to filter the floor finish. In an embodiment, the backpack includes a grip configured for carrying the backpack. In an embodiment, the backpack includes positioning portion or surface configured to support portions of the container. In an embodiment, the backpack includes padded attachment apparatus configured to support the backpack on a wearer.
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Balz Eric
Carlson Brian
Gardner, Jr. James P.
Jahnke Darren
Nelson Wesley
Ecolab Inc.
Merchant & Gould P.C.
Walczak David J.
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