(under the class definition) Subject matter comprising hollow, open-ended tube-like means for surrounding a flame-type light source to protect the flame or to protect the environment from the flame and to guide the flow of ambient air to or from the flame to promote combustion or to carry away combustion products while permitting the egress of light from the flame, or means cooperable with such means to improve or insure its proper functioning.
(1) Note. The classification of claimed subject matter in this subclass or the subclasses indented hereunder may
necessarily be based on disclosure of intended use.
SEE OR SEARCH THIS CLASS, SUBCLASS:
356, for chimney-like modifiers (e.g., frosted) for incandescent light source.
363, for nonmodifying light-permeable enclosures of light sources.
376+, for nonmodifying chimney-like incandescent light protecting guards.
