Radiant energy – Supported for nonsignalling objects of irradiation – With source support
Reexamination Certificate
2011-08-02
2011-08-02
Wells, Nikita (Department: 2881)
Radiant energy
Supported for nonsignalling objects of irradiation
With source support
C250S50400H, C250S493100, C422S024000, C422S186300
Reexamination Certificate
active
07989779
ABSTRACT:
A universal ultraviolet light sanitation device that can be mounted to existing doors and the like wherein the UV light sources are positioned for treatment of a door knob or handle. The device provides for opposing UV lights in a light emitting housing around the doorknob. Sensor means within the assembly determines the non-presence of the user's hand and activates the UV lights before and after handle contact assuring sanitation of the light exposed non-porous surfaces.
REFERENCES:
patent: 3314746 (1967-04-01), Millar
patent: 4710634 (1987-12-01), Brookes
patent: 6298521 (2001-10-01), Butterfield
patent: 7175807 (2007-02-01), Jones
patent: 7598501 (2009-10-01), Jones
Abitzsch Martin M.
Ray David A.
Harpman & Harpman
Wells Nikita
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