(under the class definition) Subject matter comprising means to alter the distribution or composition of incident light by changing its direction or by absorption of some or all of its energy.
(1) Note. Some terms used to denote light modifying structure may also be used to denote structure which does not modify incident light. Placement of such structure in this subclass or the subclasses indented hereunder will depend on the disclosed proximate function of the structure in the claimed combination. For example, structure denoted as a "lens" which is disclosed as focusing or otherwise redirecting light is classifiable in this subclass or the subclasses indented hereunder, but structure denoted as a "lens" which is disclosed as merely covering or protecting a light source is not classifiable here. Other examples of ambiguous terms include "shade", "globe", "bowl", "shield", and "screen".
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376+, "GUARD MEANS" for structure denoted as a "lens" which is disclosed as merely covering or protecting a light
