Fluid sprinkling – spraying – and diffusing – Electrostatic type
Reexamination Certificate
2010-01-19
2011-12-27
Nguyen, Dinh (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Electrostatic type
C239S690100, C239S692000, C239S704000, C239S708000, C239S548000, C222S390000
Reexamination Certificate
active
08083161
ABSTRACT:
A cartridge for a handheld electrohydrodynamic (EHD) spraying device and a spraying device incorporating the cartridge. The cartridge is disposable, and can contain therapeutic products. The device includes a wetted lead screw with a compliant seal, where the placement of the seal relative to the screw inhibits leakage during both cartridge use and storage. A frame disposed within the cartridge acts as a load-transferring mechanism for the weight of the cartridge to a handle of the spraying device.
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Nguyen, Dinh; Non-final Office Action in U.S. Appl. No. 11/474,744; Mar. 18, 2009; U.S. Patent and Trademark Office; Alexandria, VA.
Cernoch, Steven Michael; Non-final Office Action in U.S. Appl. No. 12/306,278; Mar. 9, 2011; U.S. Patent and Trademark Office; Alexandria, VA.
Graham Brian
Harpham R. Reade
Lind James J.
Trees Gregory
Zambanini Joseph E.
Battelle (Memorial Institute)
Nguyen Dinh
Stevens & Showalter LLP
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